

Kerastase
Chronologiste Masque Intense Regenerant
Uploaded on 02/19/2021
Hair mask for moisture and shine
L'Oreal
Professionnel Liss Unlimited Mask
Uploaded on 12/10/2022
For frizz-prone hair, provides long-lasting frizz and humidity protection with prokeratin.
Ingredients
what‑it‑does | solvent |
Normal (well kind of - it's purified and deionized) water. Usually the main solvent in cosmetic products.
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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.
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what‑it‑does | moisturizer/humectant | solvent |
irritancy, com. | 0, 0 |
A common glycol that improves the freeze-thaw stability of products. It's also a solvent, humectant and to some extent a penetration enhancer.
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what‑it‑does | emollient | viscosity controlling | emulsifying | surfactant/cleansing |
irritancy, com. | 1, 2 |
A super common multitasker ingredient that gives your skin a nice soft feel (emollient) and gives body to creams.
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what‑it‑does | moisturizer/humectant |
irritancy, com. | 0, 0 |
It's a sweet tasting sugar substitute that helps your skin to hold onto water when used in cosmetic products. It also helps to thicken up products and give them a bit more slip.
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what‑it‑does | preservative |
what‑it‑does | antioxidant | emollient |
irritancy, com. | 0, 0-2 |
Olive oil - an oleic acid-rich (55-83%) emollient plant oil that can moisturize dry skin. Also, it contains antioxidant polyphenols and vitamin E.
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what‑it‑does | moisturizer/humectant | solvent |
what‑it‑does | emollient |
irritancy, com. | 0, 1 |
A very common silicone that gives both skin and hair a silky smooth feel. It also forms a protective barrier on the skin and fills in fine lines. Also used for scar treatment.
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what‑it‑does | emollient |
what‑it‑does | solvent | viscosity controlling | perfuming |
irritancy, com. | 0, 0 |
what‑it‑does | preservative |
Pretty much the current IT-preservative. It’s safe and gentle, and can be used up to 1% worldwide.
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what‑it‑does | moisturizer/humectant |
A glycerin derived, synthetic oily liquid that is also water soluble and works as a great skin moisturizer.
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what‑it‑does | colorant |
A mineral powder used to improve skin feel, increase product slip, give the product some light-reflecting properties, enhance skin adhesion or serve as an anti-caking agent. A real multi-tasker.
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what‑it‑does | emollient |
A modified dimethicone-type silicone molecule that also contains amino-groups. Having amino-groups means that Amodimethicone also has Nitrogen in its molecule that likes to have a positive charge.
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what‑it‑does | soothing | emollient |
irritancy, com. | 2, 3 |
An emollient plant oil loaded with nourishing and moisturizing fatty acids. It's a very rich source of linoleic acid (66-76%), and also contains the soothing and healing superstar fatty acid, gamma-linoleic acid.
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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.
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what‑it‑does | soothing | emollient |
Kukui nut oil coming from Hawaii that is traditionally used to soothe sunburn and other inflammations. It's also a great moisturizing oil rich in essential fatty acids linoleic and linolenic.
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what‑it‑does | buffering |
An AHA that comes from citrus fruits. It is usually used as a helper ingredient to adjust the pH of the formula.
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what‑it‑does | colorant |
irritancy, com. | 0, 0 |
Titanium dioxide as a colorant. It's a white pigment with great color consistency and dispersibility.
what‑it‑does | perfuming |
A common fragrance ingredient that smells like jasmine. It is one of the “EU 26 fragrances” that has to be labelled separately because of allergen potential.
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what‑it‑does | skin-identical ingredient |
An amino acid that is one of the primary building blocks of hair keratin and skin collagen. It's a natural moisturizing factor and might also help to speed up wound healing.
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what‑it‑does | moisturizer/humectant |
Glutamic acid is a little molecule and non-essential (our body can synthesize it) amino acid with the important job of being a neurotransmitter in the human body meaning that it helps your nervous system work correctly.
As for what it's doing in cosmetics, Glutamic acids' main thing (similar to other amino acids) is being a humectant moisturizer and skin-conditioning
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what‑it‑does | antimicrobial/antibacterial | preservative |
what‑it‑does | perfuming | solvent |
A super common fragrance ingredient found naturally in many plants including citrus peel oils, rosemary or lavender. It autoxidizes on air exposure and counts as a common skin sensitizer.
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what‑it‑does | preservative | perfuming | solvent | viscosity controlling |
It's one of those things that help your cosmetics not to go wrong too soon, aka a preservative. It can be naturally found in fruits and teas but can also be made synthetically.
No matter the origin, in small amounts (up to 1%) it’s a nice, gentle preservative.
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what‑it‑does | perfuming |
It’s a common fragrance ingredient that has a light floral smell. It’s one of the “EU 26 fragrances” that has to be labelled separately (and cannot be simply included in the term “fragrance/perfume”
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what‑it‑does | skin-identical ingredient |
Serine is an amino acid that most often comes to the formula as part of a moisturizing complex. It's a non-essential amino acid (meaning that our body can synthesize it) and serves as a water-binding ingredient.In general, amino acids are great skincare ingredients that play an important role in proper skin hydration but there is not much info out there about what specifically serine can d
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what‑it‑does | perfuming |
A common fragrance ingredient with a nice rose-like smell.
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what‑it‑does | antioxidant | preservative |
It's the acronym for Butylated Hydroxy Toluene. It's a common synthetic antioxidant that's used as a preservative.There is some controversy around BHT.
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what‑it‑does | antioxidant |
irritancy, com. | 0-3, 0-3 |
Pure Vitamin E. Great antioxidant that gives significant photoprotection against UVB rays. Works in synergy with Vitamin C.
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what‑it‑does | antioxidant |
irritancy, com. | 0, 2 |
An oil soluble vitamin C derivative that has mixed data about its effectiveness.
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what‑it‑does | perfuming |
The generic term for nice smelling stuff put into cosmetic products so that the end product also smells nice. It is made up of 30 to 50 chemicals on average.
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what‑it‑does | emulsifying | surfactant/cleansing |
what‑it‑does | soothing |
One of the active parts of Chamomile that is used in skincare as a nice anti-inflammatory and soothing ingredient.
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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.
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what‑it‑does | preservative |
An Ecocert-approved, natural preservative that counts as gentle and non-irritating to the skin. Usually, it comes to the formula as part of a preservative blend as it's not enough on its own.
what‑it‑does | antimicrobial/antibacterial | emulsifying | preservative | surfactant/cleansing |
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.
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what‑it‑does | buffering |
Lye - A solid white stuff that’s very alkaline and used in small amount to adjust the pH of the product.
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what‑it‑does | perfuming |
With a sweet, light and floral scent, Farnesol is a popular fragrancing ingredient to make your cosmetics that bit nicer to use. It starts its life as a colorless liquid that can either be synthetically created or extracted from loads of plants like citronella, neroli, ylang-ylang, and tuberose.The reason we list it as icky is because Farnesol is one of the “
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what‑it‑does | perfuming |
A common fragrance ingredient that smells like rose and can be found in rose oil.
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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.
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what‑it‑does | perfuming |
A fragrance with a sweet scent somewhere between lily and fruity melon.
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what‑it‑does | emollient | perfuming |
A clear, slightly yellow, odorless oil that's a very common, medium-spreading emollient. It makes the skin feel nice and smooth and works in a wide range of formulas.
what‑it‑does | emollient | emulsifying |
It's quite the multi-tasker: an emollient and water-binding ingredient but also an emulsifier and can be used for stabilization purposes. It's also often used to create liposomes.
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A colorless liquid used in small amounts as a so-called masking ingredient, meaning it can hide the natural not-so-nice smell of other cosmetic ingredients.
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what‑it‑does | emulsifying | surfactant/cleansing |
A synthetic big copolymer molecule that is used as a solubilizer, mild cleansing agent and foam booster or stabilizer. If you want to understand poloxamers more, we have a shiny description at Poloxamer 184 and Poloxamer 407.
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what‑it‑does | skin-identical ingredient |
Ceramides make up 50% of the goopy stuff that's between our skin cells and play a super important role in having a healthy skin barrier and keeping the skin hydrated.
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what‑it‑does | skin-identical ingredient |
Unlike most other ceramides, this is a tricky one to recognize by name, but Hydroxypalmitoyl Sphinganine is a type of ceramide. The TL;DR version of ceramides is that along with cholesterol and fatty acids, the lipid trio (in a 50%, 25% and 15% ratio) is in the outermost layer of the skin helping to maintain a healthy skin barrier.
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what‑it‑does | soothing |
An exopolysaccharide secreted by a microorganism living in hydrothermal deep vents. It protects the skin against chemical, mechanical and UV aggressions.
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what‑it‑does | chelating | buffering |
A helper ingredient that is used to adjust the pH of the product. Also helps to keep products stay nice longer by neutralizing the metal ions in the formula.