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 and shine-enhancing boost. Suitable for all hair types, the soothing formula helps to nurture the hair while supporting its natural radiance and body. Infused with argan and jojoba oil, the mask is designed to smooth and refresh your tresses for a silky-smooth, shiny result.