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 22, 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
Julep
It’s Whipped Matte Lip Mousse
Lip · Lists fragrance, silicones
MAC
Just My Type Velvetease Lip Pencil
Lists silicones
Kate Somerville
KateCeuticals Resurfacing Overnight Peel
Exfoliant · Lists fragrance, fragrance allergens, exfoliating acid, retinoid, silicones
Shiseido
Lait Bronzant SPF 6
Lists fragrance, fragrance allergens, drying alcohol, silicones, chemical UV filters
Pixi
Lash Booster Mascara
Mascara · Lists silicones
Vichy
Liftactiv Serum 10 Supreme
Lists fragrance, drying alcohol, silicones, salicylic acid
Bobbi Brown
Long-wear cream shadow stick
Lists silicones
SHEGLAM
Marshmallow Puff Lip Blur Pen-524 S’more Night
Lip · Lists fragrance, silicones, coconut derivatives
Palladio
MATTE CREAM LIP COLOR
Lip · Lists fragrance, fragrance allergens, silicones
SHEGLAM
Mega Lip Stacks-Brown-Brownie Stack
Lip · Lists fragrance, silicones
Wet n Wild
MegaLast Liquid Catsuit Matte Lipstick
Lip · Lists silicones
Wet n Wild
Megalast Lock ‘N’ Shine Lip Color + Gloss
Lip · Lists silicones
Sun Bum
Mineral SPF 30 Liquid Face
Sunscreen · Lists silicones, coconut derivatives
Physicians Formula
Mineral Wear Diamond Baked Blush
Blush · Lists silicones
Physicians Formula
Mineral Wear Diamond Lip Plumper
Lip · Lists silicones, chemical UV filters
Physicians Formula
Mineral Wear Diamond Mascara
Mascara · Lists drying alcohol, silicones
Physicians Formula
Mineral Wear Diamond Perfector BB Cream
Foundation · Lists silicones, carmine (from insects)
Physicians Formula
Mineral Wear Diamond Perfector Illuminator & Concealer
Concealer · Lists silicones
NARS
Natural Matte Longwear Foundation
Foundation · Lists exfoliating acid, silicones, coconut derivatives
NARS
Natural Radiant Longwear Foundation
Foundation · Lists silicones
Bath & Body Works
Ocean Ultimate Hydration Body Cream
Lists fragrance, fragrance allergens, silicones
PanOxyl
Oil Control Moisturizer
Moisturizer · Lists silicones
Sun Bum
Paper Tube SPF 50 Sunscreen Face Stick
Sunscreen · Lists fragrance, silicones, chemical UV filters
Mixsoon
PDRN Collagen Eye Serum
Eye cream · Lists silicones
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