Bonacure Deep Cleansing Shampoo removes only the excess oil, leaving in place the essential oils the hair and scalp need to remain healthy. Benefits : Deep cleansing surfactants build a compound of active ingredients to gently and effectively cleanse away elements of product build-up, minerals and excess grease. Delays re-greasing of the scalp. Apply to wet hair. Massage. Leave for 2 minutes. Rinse.