Vitale's 3-in-1 Hair Therapy Smoothing Serum is formulated with a rich blend of three natural oils: Argan Oil, Macadamia Oil and Tea Tree Oil. This 3-in-1 Hair Therapy Smoothing Serum absorbs quickly. A few drops are all you need to style your hair and provide ultimate conditioning, smoothness and protection. It protects hair from thermal heat damage while sealing and smoothing the hair cuticles for ultra silky, lustrous frizz free shine. It works with all hair types including colored and chemically treated hair.