Polypropylsilsesquioxane
A cross-linked silicone polymer – a soft film-former and mattifier. Gives a soft-focus effect in sunscreens and foundations. Pregnancy-safe.
Supporting ingredient
It gives a product its texture, stability or shelf life. It has no claimed effect on the skin, so an efficacy tier does not apply. What is known about its safety is below
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Combination, Oily, Sensitive
About this ingredient
Polypropylsilsesquioxane is a three-dimensional silicone polymer with propyl side groups. INCI: Polypropylsilsesquioxane. A powder or gel material. In cosmetics it works as a film-former and optical modifier: gives a soft-focus effect, scatters light and hides fine irregularities. Used in sunscreens, foundations and primers. Use levels run from 0.5 to 5%. Pregnancy safety. The molecule is large and does not penetrate the skin. Skin profile. Low irritation and allergen potential. Non-comedogenic. Suitable for all skin types. No active effects.
Frequently asked questions
Is Polypropylsilsesquioxane safe during pregnancy?
Polypropylsilsesquioxane is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Polypropylsilsesquioxane for?
Polypropylsilsesquioxane suits: normal, dry, combination, oily, sensitive.
What is Polypropylsilsesquioxane and what does it do in cosmetics?
A cross-linked silicone polymer – a soft film-former and mattifier.
Is Polypropylsilsesquioxane comedogenic?
On the Fulton scale 0/5 – non-comedogenic. For acne-prone skin, a rating of 3 or higher suggests choosing an alternative.
What's the INCI name for Polypropylsilsesquioxane?
The INCI name is Polypropylsilsesquioxane.
See Polypropylsilsesquioxane in a product composition right on the store page
The Evigrade extension adds an evidence panel to iHerb, Sephora, Druni and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Similar role in the formula
Other functional ingredients
Polyquaternium-10, Polyquaternium-11, Polyquaternium-37, Polyquaternium-39, Sorbitan Stearate, C12-14 Alketh-12, Disodium PEG-5 Laurylcitrate Sulfosuccinate, Myristyl Glucoside
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