Polymethylsilsesquioxane
Polymethylsilsesquioxane is an opacifying ingredient. It’s in 120 products on Poliage, most often foundation, sunscreen and blush. Avoid lists on Poliage that include it: Silicones.
Updated October 23, 2026
In plain English
Polymethylsilsesquioxane: used to make the product less clear.
What it does
Contains Polymethylsilsesquioxane: opacifying
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 79017, accessed October 22, 2026.
Products that contain Polymethylsilsesquioxane
SHEGLAM
Skinfinite Hydrating Foundation
Foundation · Lists silicones
SHEGLAM
Snatch ‘N’ Blush Stick-Wild Love
Blush · Lists fragrance, fragrance allergens, silicones
Wet n Wild
Soft Blur Liquid Lipstick
Lip · Lists silicones
Rare Beauty
Soft Pinch Luminous Powder Blush
Blush · Lists silicones
Rare Beauty
Soft Pinch Matte Bouncy Blush
Blush · Lists silicones
Dermalogica
Sound Sleep Cocoon
Moisturizer · Lists fragrance allergens, essential oils, silicones
Uoma Beauty
Stay Woke Concealer
Concealer · Lists drying alcohol, silicones
Anastasia Beverly Hills
Stick Blush
Blush · Lists silicones
MAC
Studio Fix Tech Cream-To-Powder Foundation
Foundation · Lists silicones
MAC
Studio Radiance Serum-Powered Foundation
Foundation · Lists silicones
Colorescience
Sunforgettable Total Protection Sport Stick SPF 50
Sunscreen · Lists silicones
Olay
Super Serum Body Lotion
Body lotion · Lists fragrance, exfoliating acid, silicones
Kevyn Aucoin
The Etherealist Skin Illuminating Foundation
Foundation · Lists silicones
Tatcha
The Silk Sunscreen SPF 50
Sunscreen · Lists silicones
La Roche-Posay
Tolériane Ultra Contours Yeux
Lists silicones
Olay
Total Effects Face Moisturizer Fragrance-Free SPF 15
Sunscreen · Lists fragrance allergens, retinoid, parabens, silicones
Colorescience
Total Eye Firm & Repair Cream
Eye cream · Lists silicones
Supergoop!
Triple Prep Weightless Multitasking Moisturizer SPF 40
Sunscreen · Lists exfoliating acid, silicones, chemical UV filters
Dr. Dennis Gross
Ultimate Defense Broad Spectrum Sunscreen SPF 50
Sunscreen · Lists silicones, coconut derivatives
Supergoop
Unseen Sunscreen
Lists silicones, chemical UV filters
Supergoop!
Unseen Sunscreen SPF 50
Sunscreen · Lists silicones, chemical UV filters
Naturium
Vitamin Bright Illuminating Eye Cream
Eye cream · Lists silicones
Naturium
Vitamin C Super Eye Cream Plus
Eye cream · Lists retinoid, silicones
Aussie
Wash+Blow in a can tropical punch
Lists fragrance, fragrance allergens, drying alcohol, exfoliating acid, silicones
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