Product DescriptionDamaged hair can lack the natural cement which keeps the hair strong and resilient. To ensure cohesion and strength the LOreal Laboratories have created Ceramide-Cement technology to replicate the hair natural cement targetting the 5 problems.From the ManufacturerTOTAL REPAIR 5 SERUM PRODUCT BENEFIT: Total Repair 5 Instant Smoothing and Nourishing Oil Serum is a daily leave-in treatment that nourishes and smoothens your hair from root to tip. When applied it instantly attaches itself to damaged areas repairs and unifies the hair¢s surface creating a protective shield against further damage and split ends. APPLICATION For best results use on towel dried damp hair: Take a few drops of the serum onto the palms of your hand. The amount of serum depends on the length of your hair. Rub hands together and distribute evenly along the lengths of your hair paying particular attention to the ends. Can also be used on completely dry hair prior to combing for intense shine and smoothing. Do not rinse. Leave in. INNOVATION Damaged hair can lack the natural cement which keeps the hair strong and resilient. To ensure cohesion and strength the LOreal Laboratories have created Ceramide-Cement technology to replicate the hair natural cement targetting the 5 problems.