Hair Gloss In-Shower Shine Treatment

OUAI Hair Gloss In-Shower Shine is a salon-style in-shower treatment designed to boost shine and smoothness for dull, dry hair. It has a silky, fast-absorbing texture that works well for fine to medium strands and those seeking instant radiance. Lightweight and easy to rinse, it suits routine touch-ups and weekly glossing sessions; fragrance-free formulation noted for gentle finish.