Award-winning SACHAJUAN Over Night Hair Repair is a luxury treatment for all hair types and was designed, as the name implies, to repair hair while you sleep. Regular use affords hair the opportunity to benefit from the intense nature and high concentration of SACHAJUAN’S proprietary Ocean Silk Technology, which effectively penetrates the cortex of the hair follicle to rebuild it structurally from the inside out unlike silicone based products that simply coat the hair follicle. + Enhances shine & luster + Builds strength & elasticity + Leaves hair soft, hydrated and healthier + Option to leave in or rinse out affords amazing flexibility and ease