Alanine is an amino acid permanently produced in the human body. It is one of the dominant constituents of skin Natural Moisturizing Factor, a concoction of substances accumulated in epidermis cells, that maintain skin's natural hydration.

One of the manifestations of aging is skin dehydration and a decrease in its NMF amino acid content. The addition of Alanine to moisturizing skin care products is directed to enhance skin hydration, elasticity, and youthful appearance.

Incorporated in hair care applications Alanine increases hair surface hydrophobicity, additionally improving strength, combability, and shine.