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Sodium Hyaluronate

Sodium Hyaluronate

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". 

In spite of this, if you search for "hyaluronic acid vs sodium hyaluronate" you will find on multiple places that sodium hyaluronate is smaller and can penetrate the skin better. Chemically, this is definitely not true, as the two forms are almost the same, both are polymers and the subunits can be repeated in both forms as much as you like. (We also checked Prospector for sodium hyaluronate versions actually used in cosmetic products and found that the most common molecular weight was 1.5-1.8 million Da that absolutely counts as high molecular weight).

What seems to be a true difference, though, is that the salt form is more stable, easier to formulate and cheaper so it pops up more often on the ingredient lists. 

If you wanna become a real HA-and-the-skin expert you can read way more about the topic at hyaluronic acid (including penetration-questions, differences between high and low molecular weight versions and a bunch of references to scientific literature).

Products with Sodium Hyaluronate

Graymelin Hyaluronic Acid 100% Isntree Hyaluronic Acid Toner Manyo Factory Ultra Moist Rebirth Ampoule Natures Way Hydraplenish Purito Pure Hyaluronic Acid 90 Serum Purito Pure Vitamin C Serum The Plant Base Waterfall Moist Balanced Hyaluronic Acid 100 The Saem Power Ampoule Hydra iUnik Vitamin Hyaluronic Acid Vitalizing Toner 23.5N Oriental Beauty Tea Balancing Toner Alpyn Beauty PlantGenius Survival Serum Alpyn Beauty Plantgenius Melt Moisturizer Apot.Care Hyaluronic Pure Serum Aritaum Fresh Power Essential Hyaluronic Acid Mask BAD SKIN Hyaluronic Spa Toner Benton Honest Tt Mist Cos De BAHA Pure Hyaluronic Acid Serum Cosmedica Pure Hyaluronic Acid Serum Daytox Eye Wonder Glow Recipe Watermelon Glow Sleeping Mask Grown Alchemist Instant Smoothing Serum Herbivore Prism Exfoliating Glow Potion Herv Natural Herv Luxe Essence Advance Image Vital C Hydrating Anti-Aging Serum Isomers All-In-One Complete Face Firming Serum Isomers Wrinkle Viper Expression Line Treatment JAN MARINI C-Esta Face Serum Klairs Rich Moist Soothing Serum Kristina Holey + Marie Veronique Intensive Repair Serum Kristina Holey + Marie Veronique Soothing B3 Serum LANCER Lift & Plump Sheet Mask MEDI-PEEL Bio Intense Gluthione 600 White Ampoule Miamo Peptide Functonal Complex Serum Mizon Hyaluronic Acid 100 Mizon Hyaluronic Acid Ultra Suboon Cream Mizon Snail Repair Intensive Ampoule Nezeni Contorno Ojos Ren Instant Firming Beauty Shot Satin Naturel Bio Hyaluronic Acid Concentrate Sidmool Alpha Whitening Power Ampoule Sidmool Pure Bifida 95 Ampoule Snowberry New Radiance Face Serum The Ordinary Hyaluronic Acid 2% + B5 The Skin House EGF Collagen Ampoule iS Clinical Reparative Moisture Emulsion iS Clinical Sheald Recovery Balm iS Clinical Youth Eye Complex seaNtree Hyaluron Ampoule 100 African Botanics Cloudburst Micro-Emulsion Balancing Moisturizer Alpha-H Hyaluronic 8