TRESemmé Lamellar Shine Leave-In Cream hair serum harnesses the power of Lamellar Technology to correct, smooth, and align hair for a salon-quality finish. Infused with PRO Style Technology featuring amino acids and ceramides, this hair serum strengthens and manages hair with continued use. It can be used as a leave-in treatment after shampooing and conditioning, as a rinse-off treatment, or as a pre-shampoo treatment for added shine. This serum is ideal for achieving ultimate salon-grade gloss and is part of a complete regime with TRESemmé Lamellar Shine Shampoo, Conditioner, and Finishing Oil.