Back to Ingredient Dictionary

ALLYL SUCCINIC ANHYDRIDE

Description

Allyl Succinic Anhydride (ASA) is a versatile organic compound gaining attention in the haircare industry for its multifaceted benefits. This colorless liquid, derived from the reaction between maleic anhydride and allyl alcohol, possesses unique chemical properties that make it valuable in hair product formulations. ASA functions as an effective crosslinking agent, forming covalent bonds with hair proteins to enhance strength and resilience. Its molecular structure allows for improved moisture retention, helping to combat dryness and frizz. In haircare products, ASA is typically used at concentrations between 0.1% and 2%, depending on the desired effect and formulation type. It demonstrates excellent compatibility with a wide range of other haircare ingredients, including silicones, oils, and polymers. ASA's ability to form a protective film on the hair shaft contributes to increased shine and smoothness. Additionally, it aids in color retention for dyed hair by sealing the cuticle. While generally well-tolerated, patch testing is recommended for individuals with sensitive scalps. ASA's incorporation in haircare formulations offers a promising approach to addressing multiple hair concerns simultaneously.

Products with this Ingredient