Blue Shampoo Blue Formula is for use on dark brown or black hair. This deep cleansing formula cleanses the hair and scalp thoroughly while controlling excess oil secretion, can also be used for the removal of mineral or styling aid build up. DIRECTIONS: Apply to wet hair. Massage into a rich, creamy lather. Rinse. Repeat. Condition with Thick & Rich Conditioner. IngredientsDeionized Water, Sodium Laureth Sulfate, Ammonium Lauryl Sulfate, Lauramide DEA, Cocamidopropyl Betaine, Fragrance, DMDM Hydantoin, Sodium Chloride, Citric Acid, Quaternium-15, FD&C Blue #1.