Products Description Sodium PCA is the sodium salt of pyroglutamic acid which is an uncommon amino acid found naturally in many proteins. Concentration: 50% (dissolved in water). GMO-free, gluten-free. Benefits Occurs naturally in human skin and is responsible for binding moisture to the cells Highly water-absorbent, holding several time its weight in water, which makes it an excellent humectant Well-know as skin-penetration enhancer Stronger hydrating agent than the traditional compounds like glycerin or propylene glycol Good for hair care as it reduces static electricity. Use Add as is to the water phase of the formulas, typical use level 1 - 10% in emulsions. For external use only. Applications All kinds of skin care products such as creams, gels, lotions, hair care products, color cosmetics.