Tapioca Starch Polymethylsilsesquioxane

Tapioca starch polymethylsilsesquioxane is a hybrid powder combining tapioca starch with the silicone polymer polymethylsilsesquioxane. Makeup and skincare use it for a matte, soft-focus finish, added slip, and longer wear through a thin, breathable film.
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Snapshot

Overview
A starch-silicone blend that mattifies skin and extends makeup wear.
Category
Oil Control, Tone/Texture
Type
Silicone

Ratings

Overall Rating

Good

Comedogenic Risk

None

Considered non-comedogenic, with little to no likelihood of clogging pores.

Is Tapioca Starch Polymethylsilsesquioxane a Good Ingredient?

It rates Good because it delivers dependable oil-absorbing and blurring performance with a stable, inert silicone film-former and typically low irritation potential. Its benefits are well supported by widespread cosmetic use rather than clinical outcomes, which keeps it at Good.

Skin Benefits

It controls surface shine and gives a blurred look to uneven areas, helping makeup stay put longer without a heavy feel. It leaves skin feeling silky and comfortable.

Uses in Skincare & Cosmetics

It's common in primers, setting powders, and long-wear foundations for oil take-up and a smoother finish, and used in oil-control moisturizers to improve cosmetic feel.

Safety

It's generally well tolerated with low irritation or sensitization risk. As a fine powder, avoid inhalation and eye contact; very dry or sensitive skin may find it slightly drying.