Database/Humectant/Sodium Hyaluronate Dimethylsilanol
Mostly natural · ISO 16128

Is Sodium Hyaluronate Dimethylsilanol natural?

Mostly. Fermentation-derived hyaluronate backbone is natural; the silicone-type dimethylsilanediol modifier is petrochemical by this site's convention.

INCI nameSodium Hyaluronate Dimethylsilanol
CAS108775-04-8
FunctionHumectant · Skin Conditioning
FeedstockSodium hyaluronate from bacterial fermentation, compounded with dimethylsilanediol,…

How we scored it

HA disaccharide repeat ~401Da (natural, fermentation) per 1 dimethylsilanediol ~92Da (petrochemical, silicone convention), assumed 1:1; 401/493=0.81
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.

Where it comes from

Sodium hyaluronate from bacterial fermentation, compounded with dimethylsilanediol, a small silicone-family molecule. Exact ratio not specified in supplier data; 1:1 assumed.

In plain English

A moisture-binding ingredient combining fermentation-derived hyaluronic acid with a small amount of silicone-type compound for a smoother skin feel.

CosIng definition: Hyaluronic acid, sodium salt, compd. with dimethylsilanediol

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References

  1. 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
  2. 2SODIUM HYALURONATE DIMETHYLSILANOL. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3SODIUM HYALURONATE DIMETHYLSILANOL. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SODIUM%20HYALURONATE%20DIMETHYLSILANOL