Living Proof Perfect hair Day (PhD) Triple Detox Shampoo is a non-stripping, color safe shampoo that gently removes buildup from the three big causes: product, pollution and hard water. Key Ingredients:A highly-charged anionic polymer removes product buildup from your hair. A chelating agent binds to the metal ions in hard water and removes them from your hair. Gentle but super-efficient, sulfate-free surfactant blend removes pollution particle buildup. Activated charcoal absorbs excess oils from your hair and scalp.Scalp moisturizing and soothing complex (includes witch hazel extract) balances hydration and forms a lipid layer to reinforce the scalp's natural barrier, and has a soothing effect on the scalp. Living Proof's Healthy Hair Molecule (OFPMA) keeps hair cleaner, longer by repelling dirt and oil. Ideal for all hair types. It's silicone-free, sulfate-free, paraben-free, phthalate-free, cruelty-free, color safe and safe for chemically treated hair.Learn more about the Living Proof Perfect hair Day (PhD) Triple Detox Shampoo ingredients and breaking down buildup.