Silica Cetyl Silylate is a hydrophobic, cetyl-modified silica used as a cosmetic rheology modifier. It structures oils, increases payoff, and gives a velvety matte feel for more even application in sticks, balms, and primers.
A treated silica that cuts grease and leaves a velvety matte feel.
Category
Oil Control, Tone/Texture
Type
Rheology Modifier
Ratings
Overall Rating
Good
Comedogenic Risk
None
Not typically evaluated for comedogenicity — no standardized rating available.
Our take
Is Silica Cetyl Silylate a Good Ingredient?
It rates Good for consistently structuring oils and improving a matte, velvety finish, with typically low irritation. The evidence backs up its functional role in payoff and slip, not any long-term treatment effect, which keeps it from a higher score.
What it does
Skin Benefits
It cuts greasy feel and gives skin a plush, velvety touch that supports a matte look, and it helps color cosmetics adhere better and resist slipping.
Where you'll find it
Uses in Skincare & Cosmetics
It's common in lipsticks, cream-to-powder foundations, and solid perfumes, where it thickens oils and improves payoff, and it's also used in mattifying sunscreens and gel-cream primers for a smooth, non-glossy finish.
Before you use it
Safety
It has a low likelihood of causing irritation, though very dry or sensitive skin may notice transient tightness. It isn't commonly associated with specific regulatory restrictions in cosmetics.