Follow us on our new Insta page »
Missha Aqua Peptide Custom Skin Care 99 Cream

Aqua Peptide Custom Skin Care 99 Cream

Aqua Peptide Custom Skin Care 99 Cream * For combination skin = 99% aqua hydration ingredient + peptide * Hydrating water gel texture for calming, moisturizing care * Desert cactus extract 78% for complete hydration * No additives formula - without Paraben 6: (Methylparaben, Butylparaben, Ethylparaben, Isobutylparaben, Isopropylparaben), Benzyl Alcohol, Triethanolamine, BHT [Cooling gel type]
Uploaded by: nuraishahkahairi on

Highlights

#alcohol-free
Alcohol Free

Skim through

Ingredient name what-it-does irr., com. ID-Rating
Opuntia Ficus-Indica Stem Extract soothing goodie
Glycerin skin-identical ingredient, moisturizer/​humectant 0, 0 superstar
Betaine moisturizer/​humectant goodie
Methylpropanediol solvent
Water solvent
Algae Extract emollient, moisturizer/​humectant goodie
Eclipta Prostrata Leaf Extract
Tremella Fuciformis (Mushroom) Extract moisturizer/​humectant goodie
Agave Tequilana Leaf Extract
Avena Sativa (Oat) Kernel Extract antioxidant, soothing, emollient, abrasive/​scrub goodie
Pteris Multifida Extract antioxidant
Cynara Scolymus (Artichoke) Leaf Extract
Ulmus Davidiana Root Extract moisturizer/​humectant goodie
Amaranthus Caudatus Seed Extract emollient goodie
Harpagophytum Procumbens Root Extract
Lilium Candidum Flower Water
Hydrogenated Lecithin emollient, emulsifying goodie
Citrus Aurantium Dulcis (Orange) Peel Oil perfuming icky
Sodium Hyaluronate skin-identical ingredient, moisturizer/​humectant 0, 0 goodie
Ammonium Acryloyldimethyltaurate/VP Copolymer viscosity controlling
C12-14 Pareth-12 emulsifying, surfactant/​cleansing
Butylene Glycol moisturizer/​humectant, solvent 0, 1
Glyceryl Acrylate/Acrylic Acid Copolymer moisturizer/​humectant, viscosity controlling
Adenosine cell-communicating ingredient goodie
Fructooligosaccharides moisturizer/​humectant
Tetrasodium EDTA chelating
Beta-Glucan soothing, moisturizer/​humectant goodie
Polyquaternium-51 moisturizer/​humectant
Hydrolyzed Hyaluronic Acid moisturizer/​humectant goodie
Sorbitan Laurate emulsifying 1-2, 1-2
Hydroxyethylcellulose viscosity controlling
Acetyl Dipeptide-1 Cetyl Ester cell-communicating ingredient, soothing goodie
Tetradecyl Aminobutyroylvalylaminobutyric Urea Trifluoroacetate cell-communicating ingredient goodie
Palmitoyl Tripeptide-5 cell-communicating ingredient goodie
Sodium Hyaluronate Crosspolymer skin-identical ingredient, antioxidant, moisturizer/​humectant goodie
Hyaluronic Acid skin-identical ingredient, moisturizer/​humectant goodie
Magnesium Chloride viscosity controlling
Maltodextrin
Hydrolyzed Vegetable Protein
Hydrolyzed Sodium Hyaluronate moisturizer/​humectant
Nonapeptide-1
Acetyl Hexapeptide-8 cell-communicating ingredient, moisturizer/​humectant goodie
Copper Tripeptide-1 cell-communicating ingredient, soothing, antioxidant goodie
Tripeptide-1 cell-communicating ingredient goodie
Palmitoyl Tetrapeptide-7 cell-communicating ingredient goodie
Palmitoyl Tripeptide-1 cell-communicating ingredient goodie
Palmitoyl Pentapeptide-4 cell-communicating ingredient goodie
Hexapeptide-9 cell-communicating ingredient goodie
1,2-Hexanediol solvent
Ethylhexylglycerin preservative
Pentylene Glycol solvent, moisturizer/​humectant
Caprylyl Glycol moisturizer/​humectant, emollient

Missha Aqua Peptide Custom Skin Care 99 Cream
Ingredients explained

Also-called: Prickly Pear, Nopal, Indian Fig | What-it-does: soothing

The extract derived from Prickly Pear, a cactus native to Mexico. It is well-known for its soothing and hydrating properties. Read our shiny explanation about Opuntia Ficus-Indica here >>

Glycerin - superstar
Also-called: Glycerol | What-it-does: skin-identical ingredient, moisturizer/humectant | Irritancy: 0 | Comedogenicity: 0
  • A natural moisturizer that’s also in our skin
  • A super common, safe, effective and cheap molecule used for more than 50 years
  • Not only a simple moisturizer but knows much more: keeps the skin lipids between our skin cells in a healthy (liquid crystal) state, protects against irritation, helps to restore barrier
  • Effective from as low as 3% with even more benefits for dry skin at higher concentrations up to 20-40%
  • High-glycerin moisturizers are awesome for treating severely dry skin
Read all the geeky details about Glycerin here >>

Betaine - goodie
What-it-does: moisturizer/humectant

A sugar beet-derived amino acid derivative with nice skin protection and moisturization properties. Betaine's special thing is being an osmolyte, a molecule that helps to control cell-water balance.  It is also a natural osmoprotectant, meaning that it attracts water away from the protein surface and thus protects them from denaturation and increases their thermodynamic stability. 

It also gives sensorial benefits to the formula and when used in cleansers, it helps to make them milder and gentler. 

What-it-does: solvent

It's a type of glycol that - according to the manufacturer - is an extremely good replacement for other glycols like propylene or butylene glycol. Its main job is to be a solvent, but it has also very good antimicrobial properties and acts as a true preservative booster. Also helps with skin hydration without stickiness or tacky feel.

Also-called: Aqua | What-it-does: solvent

Good old water, aka H2O. The most common skincare ingredient of all. You can usually find it right in the very first spot of the ingredient list, meaning it’s the biggest thing out of all the stuff that makes up the product. 

It’s mainly a solvent for ingredients that do not like to dissolve in oils but rather in water. 

Algae Extract - goodie

We have to admit that Algae Extract is not our favorite ingredient name. It does comply with the INCI standard (the official list about how ingredients on the product labels have to be called, the thing we help you to decode here :)), but there are about 20 000 different kinds of algae and an extract from them can be made in another 10 000 ways.

So, Algae Extract can be anything from La Mer's "Miracle Broth" to a simple brown algae extract that helps to smooth the hair. The official description in the Europiean Cosmetic Ingredient listing is this: "an extract of various species of Algae; Extract of the Seaweed, Fucus vesiculosus, Furaceae". Its official functions include being a humectant (helps skin to attract water), emollient (makes skin feel smooth and nice) and skin conditioner (a catchall phrase for saying it does something good for the skin).

We don't have description for this ingredient yet.

What-it-does: moisturizer/humectant

polysaccharide (a big sugar molecule) coming from the edible fruit bodies of the Silver Ear mushroom in China. It's claimed to be an awesome moisturizer with slightly greater water-holding capacities than HA. We wrote more about Tremella here >> 

Also-called: Blue Agave Extract | What-it-does: astringent

We don't have description for this ingredient yet.

Also-called: Oat Kernel Extract, Colloidal Oatmeal | What-it-does: antioxidant, soothing, emollient, abrasive/scrub

When you hear oatmeal, you probably think of breakfast, but the finely ground version of whole oat kernels, aka colloidal oatmeal, can do good things for your skin, especially if it's dry, itchy or prone to skin-rashes or eczema.

Oat is loaded with compounds good for the body, inside or outside, such as soothing agent beta-glucan (5%),  lipids (3-11%) including barrier repairing omega-3 and 6 fatty acids or phenolic antioxidant and anti-inflammatory agents (avenanthramides). 

What-it-does: antioxidant

We don't have description for this ingredient yet.

Also-called: Artichoke Leaf Extract

We don't have description for this ingredient yet.

Also-called: Ulmus Extract | What-it-does: moisturizer/humectant

A nice plant extract that's used as a traditional oriental medicine in China and Korea. A 2006 study examined the cosmetic properties of the  polysaccharide extract and found a couple of promising things:

The main components of the extract are water-binding sugars, namely  rhamnose, galactose, and glucose. After this, it's not very surprising that the extract itself is also a great skin moisturizer almost as good as superstar NMF, hyaluronic acid. But that's not all: the researchers also found that Ulmus extract has promising anti-inflammatory and photoprotective properties. Seems like a goodie plant extract. 

Also-called: Amaranth Seed Extract | What-it-does: emollient

It's the seed extract of a plant called amaranth or love-lies-bleeding.  It's a really ancient plant grown by Aztecs, Incas and Mayas as their main food and they called it “the golden grain”. They believed it had supernatural powers. Nowadays it's a popular health food because the seeds have great nutritional benefits and are high in protein.

As for skincare there are two types of the seed extract: 

We don't have description for this ingredient yet.

We don't have description for this ingredient yet.

What-it-does: emollient, emulsifying

It's the chemically chopped up version of normal lecithin. Most often it's used to create liposomes and to coat and stabilize other ingredients. 

Also-called: Sweet Orange Peel Oil, Citrus Sinensis Oil | What-it-does: perfuming

The essential oil coming from the rind of the orange (the sweet one). In general, the main component of citrus peel oils is limonene (83-97% for sweet orange peel), a super common fragrant ingredient that makes everything smell nice (but counts as a frequent skin sensitizer).

Other than that, citrus peel also contains the problematic compound called furanocoumarin that makes them mildly phototoxic. Orange peel contains less of it than some other citruses (like bergamot or lime), but still, be careful with it especially if it is in a product for daytime use.  

What-it-does: skin-identical ingredient, moisturizer/humectant | Irritancy: 0 | Comedogenicity: 0

It’s the - sodium form - cousin of the famous NMFhyaluronic acid (HA). If HA does not tell you anything we have a super detailed, geeky explanation about it here.  The TL; DR version of HA is that it's a huge polymer (big molecule from repeated subunits) found in the skin that acts as a sponge helping the skin to hold onto water, being plump and elastic. HA is famous for its crazy water holding capacity as it can bind up to 1000 times its own weight in water.

As far as skincare goes, sodium hyaluronate and hyaluronic acid are pretty much the same and the two names are used interchangeably. As cosmetic chemist kindofstephen writes on reddit  "sodium hyaluronate disassociates into hyaluronic acid molecule and a sodium atom in solution". 

Also-called: Aristoflex AVC | What-it-does: viscosity controlling

A kind of polymer (big molecule from repeated subunits) that helps to create beautiful gel-like textures. It's also a texturizer and thickener for oil-in-water emulsions. It gives products a good skin feel and does not make the formula tacky or sticky. 

It works over a wide pH range and is used between 0.5-1.2%.

An emulsifier (helps oily and watery things to mix) that usually comes to the formula as the buddy of the oil-dispersible silicone powder Dimethicone/Vinyl Dimethicone Crosspolymer.  The two together create a pre-emulsified, water-loving version of the elastomeric silicone powder which gives products a nice silky feel and has sebum absorption capabilities.  

What-it-does: moisturizer/humectant, solvent | Irritancy: 0 | Comedogenicity: 1

Butylene glycol, or let’s just call it BG, is a multi-tasking colorless, syrupy liquid. It’s a great pick for creating a nice feeling product.  

BG’s main job is usually to be a solvent for the other ingredients. Other tasks include helping the product to absorb faster and deeper into the skin (penetration enhancer), making the product spread nicely over the skin (slip agent), and attracting water (humectant) into the skin.

Glyceryl acrylate/acrylic acid copolymer is the fancy word for a common polymer (big molecule from repeated subunits), namely polyacrylic acid (aka carbomer when it comes to cosmetics) with glycerin attached to it in some places.

The main thing of this polymer is that it forms a hydrogel (trade named Lubrajel) that can sit on top of the skin and provide moisturizing, water-soluble ingredients such as glycerin to the skin. Think of it as a very thin, wet sponge that a cosmetic manufacturer can fill with good ingredients for your skin. It also works as a thickening agent (remember, it is a carbomer type of molecule), and can provide the skin with a nice slippery feel. It can also draw water to the skin (thank you, pendant glycerol groups!), providing skin hydration.

Adenosine - goodie

Adenosine is an important little compound in our body that has a vital cell-signalling role. Research on smearing it on our face is also promising and shows so far a couple of things:

  • It can help with wound healing
  • It’s a good anti-inflammatory agent
  • It might even help with skin’s own collagen production and improve skin firmness and elasticity
  • It helps with barrier repair and protection
  • It might be even useful for the hair helping with hair thickness and hair growth
What-it-does: moisturizer/humectant

We don't have description for this ingredient yet.

What-it-does: chelating

A handy helper ingredient that helps products to remain nice and stable for a longer time. It does so by neutralizing the metal ions in the formula (that usually get into there from water) that would otherwise cause some not so nice changes.

Beta-Glucan - goodie

Beta-Glucan is a nice big molecule composed of many smaller sugar molecules (called polysaccharide). It’s in the cell walls of yeast, some mushrooms, seaweeds, and cereals.

It’s a real goodie no matter if you eat it or put it on your face. Eating it is anti-diabetic, anti-cancer, and even lowers blood cholesterol. 

What-it-does: moisturizer/humectant

A biocompatible copolymer (a big molecule that consists of more than one type of building blocks) that has the same structure as important cell membrane ingredient, phospholipid. It's a good skin moisturizer, leaves a silky, smooth feel on the skin and can help to reduce irritation caused by some not-so-nice ingredients (like surfactants).

What-it-does: moisturizer/humectant

Hydrolyzed Hyaluronic Acid is a low molecular weight, chemically chopped up version of the naturally big molecule and current IT-moisturizer, Hyaluronic Acid (HA). The TL; DR version of HA is that it's a huge polymer (big molecule from repeated subunits) found in the skin that acts as a sponge helping the skin to retain water, making it plump and elastic. As HA is a polymer, the subunits can be repeated many times (as a high-molecular-weight version), or just a few times (as a low-molecular-weight version).

We wrote in detail at HA about how different molecular weight versions do different things both as a component of the skin and as a skincare ingredient, so click here and read about all the details. Hydrolyzed Hyaluronic Acid can also come in different molecular-weight versions with different properties:

What-it-does: emulsifying | Irritancy: 1-2 | Comedogenicity: 1-2

An ingredient that helps water and oil to mix together, aka emulsifier. Chemically speaking, it comes from the attachment of sorbitan (a dehydrated sorbitol (sugar) molecule) with the fatty acid Lauric Acid, that creates a partly water (the sorbitan part) and partly oil soluble (lauric part) molecule. 

Sorbitan Laurate is a good team player that likes to work with many other emulsifiers and is compatible with a wide range of other ingredients.

Also-called: HEC | What-it-does: viscosity controlling, emulsion stabilising

A nice little helper ingredient that can thicken up cosmetic products and create beautiful gel formulas. It's derived from cellulose, the major component of the cell wall of green plants. It is compatible with most co-ingredients and gives a very good slip to the formulas. 

Also-called: Calmosensine | What-it-does: cell-communicating ingredient, soothing

 A soothing dipeptide (tyrosine + arginine) based molecule that functions as a "messenger of tranquility and muscle relaxation". It works via stimulating the skin nerve cells to release met-enkephalin, which is an opioid (i.e. relaxing, pain-relieving) messenger molecule. 

This means that Acetyl Dipeptide-1 Cetyl Ester can "signal" our skin cells to "relax" and it can instantly decrease skin irritations coming from heat, chemical stinging or mechanical stresses. It is also claimed to be able to prevent the onset of wrinkles and expression lines thanks to its muscle relaxation properties.

Also-called: SYN-HYCAN | What-it-does: cell-communicating ingredient

A small, three amino acid synthetic tripeptide with a molecular weight smaller than 500 Da (500 Da is often referred to as the limit for proper skin penetration). 

The manufacturer claims that it can boost the synthesis of hyaluronic acid in the skin (up to 300% based on in-vitro tests) that is important for proper skin hydration and plumpness. It can also improve collagen fiber quality by increasing some structural skin elements (so-called proteoglycans), like decorin and lumican.

Also-called: Syn-Coll | What-it-does: cell-communicating ingredient

A tripeptide (three amino acids attached to each other: Lys-Val-Lys) that's claimed to protect and boost collagen and improve skin texture.

The manufacturer did an in-vivo (made on real people) study with 45 volunteers and found that used twice daily for 84 days 1% and 2.5% Syn-Coll reduces the appearance of wrinkles by 7 and 12% respectively. In another study (also by the manufacturer) with 33 female Chinese volunteers, 77% of the participants felt that Syn-Coll visibly improved the firmness and elasticity of the skin after 4 weeks. What's more, 60% of the participants also noticed a reduction in the look of the pore size also after 4 weeks of treatment. 

It's a special "cross-linked" from of IT-moisturizer, hyaluronic acid (HA). Cross-linked means that "normal" HA pieces (1-2 million Da molecular weight) are chemically bound togeather to create a big, "infinite" mesh.

The special HA mesh has a remarkable water-binding capacity, 5 times more than the already crazy water-binding capacity of "normal" HA. This water filled crosslinked HA gel forms a smooth film on the skin and continuously delivers the bound water, so it gives long-term moisturizing benefits.

  • It’s naturally in our skin and behaves there like a sponge
  • It can bind up to 1000 times its own weight in water
  • It is a big molecule from repeated subunits (polymer) so different molecular weight versions exist (unfortunately there is no way to determine MW from INCI list only)
  • High-molecular-weight-HA (>500 kDa) is an excellent surface hydrator, skin protectant and can act as an osmotic pump helping water-soluble actives to penetrate deeper into the skin
  • Low-molecular-weight-HA (< 500 kDa) can hydrate the skin somewhat deeper though it is still a big molecule and works mainly in the epidermis (outer layer of the skin)
  • Low-molecular-weight-HA might also help the skin to repair itself by increasing its self-defense (~ 200kDa used in the study)
  • Ultra-low-molecular-weight-HA (<50kDa) is a controversial ingredient and might work as a pro-inflammatory signal molecule
Read all the geeky details about Hyaluronic Acid here >>

What-it-does: viscosity controlling

A kind of salt that's used as a thickener in cosmetic products. 

It's a little helper ingredient coming from corn, rice or potato starch that can help to keep skin mat (absorbent), to stabilise emulsions, and to keep the product together (binding). 

We don't have description for this ingredient yet.

Also-called: miniHA | What-it-does: moisturizer/humectant

It's a super small, chemically chopped up version of sodium hyaluronate. Its trade name is miniHA, and its molecular weight is 10 kDa. This counts as really tiny given that "normal" HA has a molecular weight of 0.5-2 million Da.

To be honest, low molecular weight (LMW), and especially this ultra-low molecular weight HA is a controversial ingredient. On the upside, it can penetrate the skin better (though 10kDa still counts as big!) and might be able to moisturize the deeper layers of the skin where normal HA cannot get. Also, according to the manufacturer of miniHA, it has better antioxidant activity than a 1.6MDa version HA and it also has better sun protection and after-sun repair abilities than the higher MW versions. It also works in synergy with higher molecular weight versions, and the combination of 0.1% 1.45MDa-HA + 0.1% 380 kDa-HA + 0.1% miniHA hydrated the skin significantly better than 0.3% 1.45MDa-HA alone.

We don't have description for this ingredient yet.

Also-called: Argireline, Acetyl Hexapeptide-3 | What-it-does: cell-communicating ingredient, moisturizer/humectant

If you see a cosmetic product that claims that it has "Botox-like effect" then two things are almost certain: one, the product overpromises and two, it contains Argireline. 

So this one is the famous peptide that's marketed by its manufacturer as the "Botox in a jar". The basis for this claim is that it targets the same wrinkle forming mechanism (wrinkles caused by facial muscle movement) as Botox, but the way it works is very different. In addition, the extent to which it can prevent muscles from contracting (and to smooth wrinkles) is very different (otherwise why would anyone use still Botox?). 

Also-called: GHK-Cu, Copper Peptide | What-it-does: cell-communicating ingredient, soothing, antioxidant
  • GHK-Cu is a copper-peptide complex found naturally in yucky bodily fluids (plasma, saliva, and urine)
  • It has unique wound healing properties by stimulating the breakdown of unhealthy, too large collagen in scar tissue and stimulating nice and healthy collagen production afterwards
  • It stimulates the production of several important skin-identical ingredients (e.g. collagen, elastin, and glycosaminoglycans)
  • It has significant anti-inflammatory and antioxidant effect
  • There are a few promising studies showing GHK-Cu can improve skin elasticity, clarity, firmness and reduce lines and wrinkles
  • It can improve hair growth by enlarging hair follicles (and bigger follicles produce longer, thicker hair)
  • There are some urban legends about possible overdosing or facial hair problems (read more in geeky details)
Read all the geeky details about Copper Tripeptide-1 here >>

Tripeptide-1 - goodie
Also-called: GHK, Kollaren | What-it-does: cell-communicating ingredient

A small, three amino acid (glycine-histidine-lysine or GHK) peptide that is famous for being a type I collagen fragment. The theory behind collagen-fragment peptides is that when collagen naturally breaks down in the skin, the resulting peptide fragments signal to the skin that it should get to work and create some nice, new collagen.

Adding in collagen fragment peptides, like GHK, might trick the skin into thinking that collagen has broken down and it's time to create some more. So Tripeptide-1 is believed to be able to stimulate collagen production in the skin, and more collagen means fewer wrinkles and younger looking skin. FYI; Tripeptide-1 is the same peptide that can be found in the famous Matrixyl 3000, but in Matrixyl a palmitic acid is attached to it to increase its oil solubility and thus skin penetration.

Also-called: Part of Matrixyl 3000, Pal-GQPR, Previously Palmitoyl Tetrapeptide-3 | What-it-does: cell-communicating ingredient

A four amino acid peptide with the amino sequence of glycine-glutamine-proline-arginine. It is attached to palmitic acid (a fatty acid)  to increase oil solubility and skin penetration. 

It works by reducing the production of the signal moleculeinterleukin-6 (IL-6) which promotes inflammation in the skin and less inflammation means slower degradation of important things (like collagen) that results in younger looking skin for a longer time. 

Also-called: Part of Matrixyl 3000, Pal-GHK, Formerly also Palmitoyl Oligopeptide | What-it-does: cell-communicating ingredient

A really famous peptide that is part of Matrixyl 3000, the most sold peptide complex in the word. Before we go and find out what the big deal with Matrixyl 3000 is, let's just focus on Palmitoyl Tripeptide-1 itself for a bit.

It's a small three amino acid (they are the building blocks of all proteins) peptide with the amino sequence of glycine-histidine-lysine, or GHK. GHK is attached to palmitic acid (a fatty acid) to increase oil solubility and skin penetration. 

Also-called: Matrixyl, Pal-KTTKS, Formerly Palmitoyl Pentapeptide-3 | What-it-does: cell-communicating ingredient

A pretty famous and better-researched peptide consisting of five amino acids (the building blocks of all proteins). It was created in a joint effort by the French ingredient supplier, Sederma and the cosmetics industry big shot, Procter&Gamble.

The amino acid sequence of the peptide is lysine–threonine–threonine–lysine–serine (KTTKS). Sometimes, it's also called collagen pentapeptide, as it's a subfragment of skin-structure-giving type I collagen. The KTTKS amino sequence is then attached for better oil solubility and skin penetration to palmitic acid and BOOM; we get Palmitoyl Pentapeptide-4. 

Hexapeptide-9 - goodie

An anti-aging peptide that can visibly reduce the length and depth of wrinkles, at least according to its manufacturer. In vitro (meaning it was done in the lab, not on real people) studies show that it enhances epidermal regeneration, collagen type I and III synthesis as well as the synthesis of other important skin proteins. 

What-it-does: solvent

A really multi-functional helper ingredient that can do several things in a skincare product: it can bring a soft and pleasant feel to the formula, it can act as a humectant and emollient, it can be a solvent for some other ingredients (for example it can help to stabilize perfumes in watery products) and it can also help to disperse pigments more evenly in makeup products. And that is still not all: it can also boost the antimicrobial activity of preservatives

What-it-does: preservative, deodorant

If you have spotted ethylhexylglycerin on the ingredient list, most probably you will see there also the current IT-preservative, phenoxyethanol. They are good friends because ethylhexylglycerin can boost the effectiveness of phenoxyethanol (and other preservatives) and as an added bonus it feels nice on the skin too.

Also, it's an effective deodorant and a medium spreading emollient

A multi-functional, silky feeling helper ingredient that can do quite many things. It's used as an emulsion stabilizer, solvent and a broad spectrum antimicrobial. According to manufacturer info, it's also a moisturizer and helps to make the product feel great on the skin. It works synergistically with preservatives and helps to improve water-resistance of sunscreens. 

It’s a handy multi-tasking ingredient that gives the skin a nice, soft feel. At the same time, it also boosts the effectiveness of other preservatives, such as the nowadays super commonly used phenoxyethanol

The blend of these two (caprylyl glycol + phenoxyethanol) is called Optiphen, which not only helps to keep your cosmetics free from nasty things for a long time but also gives a good feel to the finished product. It's a popular duo.

You may also want to take a look at...

what‑it‑does soothing
The extract derived from Prickly Pear, a cactus native to Mexico. It is well-known for its soothing and hydrating properties. Read our shiny explanation about Opuntia Ficus-Indica here >> [more]
what‑it‑does skin-identical ingredient | moisturizer/humectant
irritancy, com. 0, 0
A real oldie but a goodie. Great natural moisturizer and skin-identical ingredient that plays an important role in skin hydration and general skin health. [more]
what‑it‑does moisturizer/humectant
A sugar beet derived amino acid derivative with nice skin protection and moisturization properties. Its special thing is being an osmolyte, a molecule that helps to control cell-water balance.  [more]
what‑it‑does solvent
A type of glycol. Its main job is to be a solvent, but it has also very good antimicrobial properties and acts as a true preservative booster. [more]
what‑it‑does solvent
Normal (well kind of - it's purified and deionized) water. Usually the main solvent in cosmetic products. [more]
what‑it‑does emollient | moisturizer/humectant
An extract that comes from one or more of the 20 000 kinds of algae out there. In general algae extracts serve as moisturizing, emollient and thickening agents, and many of them also have additional anti-aging properties. [more]
what‑it‑does moisturizer/humectant
A polysaccharide (a big sugar molecule) coming from the edible fruit bodies of the Silver Ear mushroom in China. It's claimed to be an awesome moisturizer with slightly greater water-holding capacities than HA. [more]
what‑it‑does antioxidant | soothing | emollient | abrasive/scrub
When you hear oatmeal, you probably think of breakfast, but the finely ground version of whole oat kernels, aka colloidal oatmeal, can do good things for your skin, especially if it's dry, itchy or prone to skin-rashes or eczema.Oat is loaded with compounds good for the body, inside or outside, such as soothing agent beta-glucan  [more]
what‑it‑does antioxidant
what‑it‑does moisturizer/humectant
A sugar-rich plant extract that is a great skin moisturizer and has also promising anti-inflammatory and photoprotective properties. [more]
what‑it‑does emollient
It's the seed extract of the popular health food, amaranth. The oily extract works as a great emollient, moisturizing plant oil for skin and hair. [more]
what‑it‑does emollient | emulsifying
It's the chemically chopped up version of normal lecithin. Most often it's used to create liposomes and to coat and stabilize some other ingredient. 
what‑it‑does perfuming
The essential oil coming from the rind of the orange. Its main component (83-97%) is limonene, the super common fragrant ingredient. [more]
what‑it‑does skin-identical ingredient | moisturizer/humectant
irritancy, com. 0, 0
It's the salt form of famous humectant and natural moisturizing factor, hyaluronic acid. It can bind huge amounts of water and it's pretty much the current IT-moisturizer. [more]
what‑it‑does viscosity controlling
A kind of polymer (big molecule from repeated subunits) that helps to create beautiful gel-like textures. It's also a texturizer and thickener for oil-in-water emulsions. [more]
what‑it‑does emulsifying | surfactant/cleansing
An emulsifier (helps oily and watery things to mix) that usually comes to the formula as the buddy of the oil-dispersible silicone powder Dimethicone/Vinyl Dimethicone Crosspolymer. [more]
what‑it‑does moisturizer/humectant | solvent
irritancy, com. 0, 1
An often used glycol that works as a solvent, humectant, penetration enhancer and also gives a good slip to the products. [more]
what‑it‑does moisturizer/humectant | viscosity controlling
Glyceryl acrylate/acrylic acid copolymer is the fancy word for a common polymer (big molecule from repeated subunits), namely polyacrylic acid (aka carbomer when it comes to cosmetics) with glycerin attached to it in some places. The main thing of this polymer is that it forms a hydrogel (trade named Lubrajel) that can sit on top of the skin and provide moisturizing, water-soluble [more]
what‑it‑does cell-communicating ingredient
An important compound in our body that has a vital cell-signalling role. It is wound healing, anti-inflammatory and can help with barrier repair. [more]
what‑it‑does moisturizer/humectant
what‑it‑does chelating
A helper ingredient that helps to neutralize the metal ions in the formula (that usually get into there from water) that would otherwise cause some not so nice changes.
what‑it‑does soothing | moisturizer/humectant
A great skin soother and moisturizer, and it even shows promising anti-aging benefits. It‘s also shown to have wound healing properties and is a mild antioxidant. [more]
what‑it‑does moisturizer/humectant
A biocompatible copolymer with a similar structure to cell membrane ingredient, phospholipid. It's a good skin moisturizer and can also help to reduce irritation. [more]
what‑it‑does moisturizer/humectant
Hydrolyzed Hyaluronic Acid is a low molecular weight, chemically chopped up version of the naturally big molecule and current IT-moisturizer, Hyaluronic Acid (HA). The TL; [more]
what‑it‑does emulsifying
irritancy, com. 1-2, 1-2
An ingredient that helps water and oil to mix together, aka emulsifier. Chemically speaking, it comes from the attachment of sorbitan (a dehydrated sorbitol (sugar) molecule) with the fatty acid Lauric Acid, that creates a partly water (the sorbitan part) and partly oil soluble (lauric part) molecule.  Sorbitan Laurate is a good team player that likes to work with many other emulsifiers and [more]
what‑it‑does viscosity controlling
A nice little helper ingredient that can thicken up cosmetic products and create beautiful gel formulas. It's derived from cellulose, the major component of the cell wall of green plants. [more]
what‑it‑does cell-communicating ingredient | soothing
 A soothing dipeptide (tyrosine + arginine) based molecule that functions as a "messenger of tranquility and muscle relaxation". It works via stimulating the skin nerve cells to release met-enkephalin, which is an opioid (i.e. relaxing, pain-relieving) messenger molecule. This means that Acetyl Dipeptide-1 Cetyl Ester can " [more]
what‑it‑does cell-communicating ingredient
A small, three amino acid synthetic tripeptide that is claimed to increase structural elements in the skin like hyaluronic acid and proteoglycans. Might be effective against skin sagging. [more]
what‑it‑does cell-communicating ingredient
Syn-Coll - An anti-aging tripeptide that's claimed to protect and boost collagen and improve skin texture. [more]
what‑it‑does skin-identical ingredient | antioxidant | moisturizer/humectant
A special, "cross-linked" from of hyaluronic acid (HA). Claimed to have five times the water-binding capacity of normal HA, also acts as an antioxidant and gives skin long-term moisture. [more]
what‑it‑does skin-identical ingredient | moisturizer/humectant
A famous natural moisturizing factor that can bind up to 1000 times its own weight in water. Works as an excellent surface hydrator in skincare. [more]
what‑it‑does viscosity controlling
A kind of salt that's used as a thickener in cosmetic products.
It's a little helper ingredient coming from corn, rice or potato starch that can help to keep skin mat (absorbent), to stabilise emulsions, and to keep the product together (binding). 
what‑it‑does moisturizer/humectant
A super small, chemically chopped up version of sodium hyaluronate. Small molecular weight (SMW) HA is a controversial ingredient: it can penetrate deep into the skin and moisturize deeper layers but might act as a pro-inflammatory agent. [more]
what‑it‑does cell-communicating ingredient | moisturizer/humectant
Argireline - famous peptide that's often referred to as "Botox in a jar". In reality, it's nowhere near that powerful, but it can smooth wrinkles to some extent by preventing facial muscles from contracting. [more]
what‑it‑does cell-communicating ingredient | soothing | antioxidant
A copper-peptide complex that has unique wound healing and skin remodelling properties. It's also an anti-inflammatory and antioxidant agent. [more]
what‑it‑does cell-communicating ingredient
A small, three amino acid (glycine-histidine-lysine or GHK) peptide that is famous for being a type I collagen fragment. The theory behind collagen-fragment peptides is that when collagen naturally breaks down in the skin, the resulting peptide fragments signal to the skin that it should get to work and create some nice, new collagen. [more]
what‑it‑does cell-communicating ingredient
The pal of Palmitoyl Tripeptide-1 in Matrixyl 3000. A four amino acid peptide that works by reducing the production of the signal molecule, inteleukin-6 (IL-6) that promotes inflammation in the skin. [more]
what‑it‑does cell-communicating ingredient
A three amino acid peptide that is part of famous peptide duo, Matrixyl 3000. It's a type I collagen fragment that might be able to trick the skin to think that collagen broke down and it's time to create some new one. [more]
what‑it‑does cell-communicating ingredient
Matrixyl - A 5 amino acid peptide with promising research showing that it can reduce fine lines, wrinkles and improve skin texture. [more]
what‑it‑does cell-communicating ingredient
An anti-aging peptide that can visibly reduce the length and depth of wrinkles, at least according to its manufacturer. In vitro (meaning it was done in the lab, not on real people) studies show that it enhances epidermal regeneration, collagen type I and III synthesis as well as the synthesis of other important skin proteins. [more]
what‑it‑does solvent
A multi-functional helper ingredient that acts as a humectant and emollient. It's also a solvent and can boost the effectiveness of preservatives. [more]
what‑it‑does preservative
It can boost the effectiveness of phenoxyethanol (and other preservatives) and as an added bonus it feels nice on the skin too. [more]
what‑it‑does solvent | moisturizer/humectant
A multi-functional, silky feeling helper ingredient that can do quite many things. It's used as an emulsion stabilizer, solvent, and a broad spectrum antimicrobial. [more]
what‑it‑does moisturizer/humectant | emollient
A handy multi-tasking ingredient that gives the skin a nice, soft feel and also boosts the effectiveness of other preservatives. [more]