Polypropylsilsesquioxane

Polypropylsilsesquioxane is a silicone-derived film-forming polymer that creates a light, flexible network on skin or hair. Primers, foundations, and sunscreens use it to improve glide, cut tackiness, extend wear, and add a soft-focus finish.
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Ingredient Snapshot

Overview
A silicone film former that blurs pores and helps makeup last longer.
Category
Tone/Texture, Skin Conditioning
Type
Film Former

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Visibly blurs pores and fine lines while giving a smoother, velvety feel. Helps color cosmetics stay in place with a lightweight, non-sticky sensation.

Uses In Skincare & Cosmetics

Common in long-wear primers, transfer-resistant foundations, and water-resistant sunscreens; also appears in setting products to boost durability.

Comedogenic Rating

This ingredient has a comedogenic rating of 0. It is considered non-comedogenic and has little to no likelihood of clogging pores.

Safety

Generally well tolerated with low irritation potential. A small number may experience a suffocating or buildup feel; remove thoroughly with a cleanser if discomfort occurs. Avoid direct eye contact.

Is Polypropylsilsesquioxane a Good Ingredient?

Rated Good because it’s a stable silicone film-former that improves slip and wear with a lightweight, flexible finish and low reported irritation. Its performance benefits are well established in primers and sunscreens without notable sensitization issues.

Products with Polypropylsilsesquioxane

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