Full ConditionerConditions Thickens Revives A conditioner that thickens hair with each use. Full Conditioner deeply moisturizes without adding weight, creating lasting lift, body, and luster. Alpha Keratin 60ku is a whole, human keratin protein, the first of its kind ever used in hair care. Born from regenerative medicine, it is identical to the keratin in our hair, skin, and nails, so it has the power to bind directly to damaged areas and repair unlike anything