In addition to delivering translucent, rich color, Cellophanes contains a special Color Shine Acid Complex for sheen and richness to natural hair color or color treated hair. This unique technology works in heat to seal the cuticle layer to reflect light, deliver proteins and amino acids to the hair shaft, and deposit pure dye pigments. By sealing off the hair?s cuticle layer, incoming light is reflected, revealing a high gloss shine. For best results, use with Sebastian Laminates Cellophanes Shampoo and Sebastian Laminate Cellophanes Conditioner . The new thicker, protein-enriched formula deposits non-oxidative pure dye pigments on the hair