Trimethylsiloxysilicate
Trimethylsiloxysilicate is an emollient and skin conditioning ingredient. It’s in 238 products on Poliage, most often lip, foundation and concealer. Avoid lists on Poliage that include it: Silicones.
Updated October 21, 2026
In plain English
Trimethylsiloxysilicate: used to soften the skin surface and reduce foam.
What it does
Contains Trimethylsiloxysilicate: antifoaming
Function listed in CosIng
Contains Trimethylsiloxysilicate: emollient
Function listed in CosIng
Contains Trimethylsiloxysilicate: skin-conditioning
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 80398, accessed October 22, 2026.
Products that contain Trimethylsiloxysilicate
NARS
Natural Matte Longwear Foundation
Foundation · Lists exfoliating acid, silicones, coconut derivatives
Essence
NATURAL MATTE MOUSSE FOUNDATION
Foundation · Lists silicones
NARS
Natural Radiant Longwear Foundation
Foundation · Lists silicones
Nautical Nonsense Palette
Lists silicones
AcM
NC35 Studio Fix Fluid SPF 15
Lists silicones, chemical UV filters
E.L.F.
No Budge Retractable Eyeliner
Lists silicones
L’Oréal
Nude Magique BB Powder (Peau claire)
Lists retinoid, silicones
PUR Cosmetics
On Point Mascara
Mascara · Lists silicones
Sun Bum
Original SPF 15 Sunscreen Lotion
Sunscreen · Lists fragrance, silicones, chemical UV filters
Sun Bum
Original SPF 50 Sunscreen Face Lotion
Sunscreen · Lists silicones, chemical UV filters
Sun Bum
Original SPF 70 Sunscreen Lotion
Sunscreen · Lists fragrance, silicones, chemical UV filters
COVERGIRL
Outlast All-Day Lip Color with Topcoat
Lip · Lists parabens, silicones
COVERGIRL
Outlast Forever Velvet Pigment
Lip · Lists silicones, coconut derivatives
Wet n Wild
Perfect Pout Gel Lip Liner
Lip · Lists silicones
Flower Beauty
Perfect Pout Soft Matte Lip Color
Lip · Lists silicones
bareMinerals
Performance Wear Liquid Foundation
Lists silicones
Wet n Wild
Photo Focus Dewy Foundation
Foundation · Lists fragrance, silicones
Deliplus
Pintalabios Color Fix 01
Lists silicones
Buxom
Plump Shot Peptide Plumping Cream Blush
Blush · Lists drying alcohol, exfoliating acid, silicones, coconut derivatives
MAC
Powder Kiss Hazy Matte Lipstick
Lip · Lists fragrance, silicones
NARS
Powermatte High-Intensity Lip Pencil
Lip · Lists silicones
NARS
Powermatte Lip Pigment
Lip · Lists silicones
NARS
Powermatte Lipstick
Lip · Lists silicones
Fenty Beauty
Pro Filt’r Instant Retouch Concealer
Concealer · Lists drying alcohol, silicones
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