Cocodimonium Hydroxypropyl Silk Amino Acids

Cocodimonium hydroxypropyl silk amino acids is a conditioning ingredient derived from silk protein that has been chemically modified to be water-soluble. It combines coconut-derived components with silk amino acids to create a positively charged molecule that adheres to the skin and hair.In skincare formulations, it functions as a skin conditioner and antistatic agent, helping to improve the feel and appearance of the skin's surface by creating a smooth, protective layer.

The ingredient works by depositing a thin, positively charged film onto the skin's surface. This film is attracted to the naturally negatively charged outer layers of skin, creating an occlusive layer that helps trap moisture and smooth the texture of the stratum corneum.Because it is derived from amino acids, it may also have mild film-forming properties that improve the overall feel and appearance of formulations without leaving a greasy residue.

This ingredient is typically found in rinse-off or leave-on formulations at low to moderate concentrations. It works well in serums, moisturisers, and lightweight lotions. Because it is a conditioning agent rather than an active treatment, it can be used daily as part of a broader skincare routine without concern for tolerance issues in most skin types.

Generally well-tolerated across skin types. Rarely causes irritation or sensitisation, though those with severe silk allergies should exercise caution.