Back to Ingredient Dictionary

Stearamidopropyl Dimethylamine

Description

Stearamidopropyl Dimethylamine is a multifunctional ingredient widely used in hair care and skincare formulations. This cationic surfactant acts as a conditioning agent, emulsifier, and antistatic compound. Its chemical structure consists of a long-chain fatty acid (stearic acid) linked to a propyl group and two methyl groups attached to a nitrogen atom.

In hair care products, Stearamidopropyl Dimethylamine improves manageability, reduces frizz, and enhances softness. It forms a thin, protective film on hair strands, facilitating detangling and providing a smooth feel. In skincare, it functions as an emollient and helps stabilize emulsions.

This ingredient exhibits excellent compatibility with anionic surfactants, making it valuable in shampoo formulations. It is less irritating to skin and eyes compared to some other cationic surfactants. Stearamidopropyl Dimethylamine is typically used at concentrations between 0.5% and 5%, depending on the product type and desired effect.

While generally considered safe for cosmetic use, individuals with sensitive skin should perform patch tests before regular application. As with many conditioning agents, excessive use may lead to product buildup on hair or skin over time.