Sachajuan Shine Serum Has Three Functions; It Adds A Non-Greasy Gloss To Any Hair Type, Seals Your Split Ends So Each Hair Shaft Is Smoother And More Light Reflective And Helps Prevent More Damage From Daily Wear And Tear. You Can Also Use It As A Base For Further Styling Processes. This Hair Serum Has High Levels Of Panthenol And Contains The Best In Class Selection Of Algae And Mineral Extracts That Sachajuan Call Their Ocean Silk Technology.