D-Panthenol USP is an active ingredient for sophisticated cosmetic skin care and hair care products, improving the appearance of skin, hair and nails. It is the provitamin of D-Pantothenic acid (Vitamin B5), playing a key role in the human intermediary metabolism. This product has applications as a healing effect for the structure and function of living tissue, and has deep penetrating moisturizing properties for the growth and pigmentation of hair.