Give your hair colour a boost of vibrancy and add up to six more weeks of freshness with Soma' Colour Protect Shampoo. This Sulfate-Free shampoo helps to detoxify your hair while providing organic based proteins to ensure a healthy post-colour recovery. (16 oz)How to useMassage small amount of Colour Protect Shampoo into wet hair. Let stand 2-3 minutes. Rinse well and repeat if desired. For best results, follow with Colour Protect Conditioner.