This serum helps protect hair, prolonging blow-dry style for the whole day. Infused with a pure protein blend of soy and silk, it helps insulate the hair cuticle and prevent frizz and flyaways without leaving a weighty and greasy residue. The silk proteins enhance softness and luster, adding a glossy shine. Weather Girl is for anyone who wants great hair in all conditions. Great for all hair types. Safe for color-treated and processed hair.