The first name on Family Hair & Beauty Salon list of the best hair straightening serum is the Streax Hair Serum. Regular use hair serum for dry & wet hair. Streax hair serum gives your hair the instant shine and smoothness which helps you shine all day. It delivers a silky finish, luminous shine, and touchable softness without leaving hair greasy. Streax hair serum is vitalized with walnut oil which gives glossy and shiny look, by adding polish to every strand of hair. It is carefully crafted to form the most gentle and effective hair serum for all hair types including dry hair.