Silicone Quaternium-18
Silicone Quaternium-18 is an emollient and hair conditioning ingredient. It’s in 5 products on Poliage, most often hair styling and conditioner. Avoid lists on Poliage that include it: Silicones.
Updated October 22, 2026
What it does
Contains Silicone Quaternium-18: emollient
Function listed in CosIng
Contains Silicone Quaternium-18: hair-conditioning
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 58525, accessed October 22, 2026.
Products that contain Silicone Quaternium-18
Color Wow
Dream Coat Supernatural Spray
Hair styling · Lists silicones
John Frieda
FRIZZ esse Traumlocken
Lists fragrance, fragrance allergens, silicones, coconut derivatives
Moroccanoil
Frizz Shield Spray
Hair styling · Lists fragrance, fragrance allergens, exfoliating acid, silicones
Sachajuan
LEAVE IN CONDITIONER
Conditioner · Lists fragrance, fragrance allergens, silicones
SHEGLAM
On The Glow 1-Minute Revive Rich Hair Cream
Hair styling · Lists fragrance, fragrance allergens, drying alcohol, silicones, coconut derivatives
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