Diamond Shine Color Protect Shampoo is a lush lathering, sulfate-free shampoo that acts as a shield to protect color 50% longer*. why is it different? Diamond Shine Color Protect Shampoo contains real diamond micro-particles, keratin and panthenol to provide 2X more shine and strength. The hair is infused with high gloss shine and exceptional strength. * vs. a leading professional sulfate-free shampoo. who is it for? Diamond Shine Color Protect Shampoo is perfect for color treated and damaged hair.