The Peptide Prep Detox Shampoo has been developed with colour-treated hair in mind, this colour-safe and non-stripping formula works to remove product buildup, excess sebum, and impurities from the hair. A pH-balanced formula refreshes and revitalises the hair.To use: Use in place of your regular shampoo once a week. Apply to the wet hair and massage, focusing on the scalp. Rinse thoroughly.