45 pH Formulation Level out the pH level of your scalp and hair to protect them from damage Bleach and dyes are considered HIGHLY acidic and this shampoo helps balances it out Silicon Free Because who needs that stuff in your hair The ingredients here are selected to try and impart valuable benefits to your hair Nutrition and Moisture Formulated to include the everloved Argan Oil to help provide vital nutrients and moisture to the hair Great for Bleached and Dyed Hair This shampoos acidic formulation neutralizes the alkaline pH level that might be left behind from the harsh chemical treatments when bleaching andor dying hair