Steartrimonium Hydroxyethyl Hydrolyzed Collagen
INCI: STEARTRIMONIUM HYDROXYETHYL HYDROLYZED COLLAGEN
Reviewed by Emma · Last updated 18 Aug 2026
What Is Steartrimonium Hydroxyethyl Hydrolyzed Collagen?
Steartrimonium Hydroxyethyl Hydrolyzed Collagen is the quaternary ammonium chloride formed by the reaction of a terminally epoxide substituted stearyl trimethyl ammonium chloride with Hydrolyzed Collagen.
Its declared cosmetic functions are antistatic, hair conditioning and skin conditioning.
Source: European Commission CosIng inventory.
From the Clinic
Not sure what your skin actually needs?
Two minutes, a few questions, and we’ll point you at what matters — no guesswork.
Take the skin quizRelated Ingredients
Broccoli … Extract
Plant-derived extract with antioxidant and conditioning properties for skin protection
(Eclipta Prostrata/Houttuynia Cordata) Leaf Extract
A botanical blend traditionally used to support skin conditioning and resilience
1-Methylhydantoin-2-Imide
A skin-conditioning agent that helps maintain skin hydration and texture
10-Hydroxystearic Acid
A naturally-derived fatty acid that supports skin structure and resilience
2-Mercaptonicotinoyl Glycine
A targeted approach to managing excess melanin production and uneven skin tone
2-O-Ethyl Ascorbic Acid
A stable vitamin C derivative that supports skin brightness and texture refinement
Learn More About Skincare Ingredients
Explore our comprehensive ingredient glossary to understand what's in your products.
Browse All IngredientsShop Our Products
Find professional skincare solutions at Skintique.