Indulge in a deeply nourishing hair treatment with the Sebastian Professional Dark Oil Lightweight Mask. The leave-in formula offers a moment of luxury for locks in need of a hydrating & shine-enhancing boost. Suitable for all hair types, the soothing formula helps to nurture the hair while supporting its natural radiance & body. Infused with argan & jojoba oil, the mask is designed to smooth & refresh your tresses for a silky-smooth, shiny result.