Mediceuticals Solv-X ShampooSOLV X Oily hair and scalp treatment shampoo. Removes waxy sebum without removing the essential fatty acids of the scalp. Helps control redness and irritation of the skin. Safe for colour treated hair. Suitable as shaving foam. USP (United States Pharmacopeia) water: this water is purified from any bacteria so that fewer preservatives are needed, which reduces the risk of allergic reactions. Can be used to help treat excessive sebum production, oily