Polyquaternium-51
Polyquaternium-51 is a film forming and skin conditioning ingredient. It’s in 15 products on Poliage, most often concealer, foundation and body lotion. Avoid lists on Poliage that include it: none.
Updated October 22, 2026
In plain English
A synthetic conditioning polymer. Used to leave a thin film on skin or hair.
What it does
Contains Polyquaternium-51: film-forming
Function listed in CosIng
Contains Polyquaternium-51: skin-conditioning
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 58830, accessed October 22, 2026.
Products that contain Polyquaternium-51
Advance Techniques Intense Repair Shampoo
Lists fragrance, sulfates, silicones, formaldehyde releasers, coconut derivatives
Fekkai
Blonde Rx Purple Shampoo
Shampoo · Lists fragrance, fragrance allergens, coconut derivatives
Dermalogica
Daily Glycolic Cleanser
Cleanser · Lists fragrance allergens, exfoliating acid, essential oils, coconut derivatives
Elizabeth Arden
Flawless Finish Skincaring Foundation
Foundation · Lists drying alcohol, silicones, chemical UV filters
Kopari
Hydrating Silk Body Cream
Body lotion · Lists fragrance, fragrance allergens, essential oils, silicones, coconut derivatives
Maybelline
Instant Age Rewind Eraser Treatment Makeup
Foundation · Lists parabens, silicones, chemical UV filters
Dermalogica
liquid peelfoliant
Exfoliant · Lists exfoliating acid, essential oils, salicylic acid
Naturium
Multi-Bright Milky Toner
Toner · Lists exfoliating acid
Laura Mercier
Real Flawless Weightless Perfecting Serum Concealer
Concealer · Lists silicones, coconut derivatives
sephora
Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid
COVERGIRL
Simply Ageless Triple Action Concealer
Concealer · Lists silicones
Naturium
The Brightener Vitamin C Brightening Body Wash
Body wash · Lists coconut derivatives
Rimmel London
The Multi-Tasker Concealer
Concealer · Lists drying alcohol, silicones
COVERGIRL
TruBlend Undercover Concealer
Concealer · Lists drying alcohol, silicones
Glow Recipe
Watermelon Glow Niacinamide Dew Drops
Serum · Lists fragrance, fragrance allergens
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