L'Oreal Paris Total Repair 5 Serum, 80 ml | 2 pack | free shipping Helps fight against the five visible signs of damaged hair - hair fall, dryness, roughness, dullness, and split ends Powered by 4% Repair Concentrate with Keratin XS Repairing hair serum for damaged hair Repairs and reinforces fibre's strength for silky and healthy looking hair 5 Problems.1 Solution. L'Oreal Paris Total Repair 5 Repairing Serum helps fight against the five visible signs of damaged hair - Hair fall, dryness, roughness, dullness and split ends without weighing it down. Damaged hair can lack the natural cement which keeps the hair strong and resilient. To ensure cohesion and strength, the L?Oreal Laboratories have created Ceramide-Cement technology to replicate the hair?s natural cement, targetting the 5 problems. 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 Explore our best hair products to revive and repair damaged hair.