Hairevolution Bi-Phase is a lightweight formula that contains a highly effective blend of nutrients and vitamins designed to close cuticles sealing in moisture while detangling, strengthening, and conditioning hair. Hairevolution Bi-Phase is great for preparing hair for any style and works well as a haircutting aide, while offering UV protection, nourishing hair, and improving manageability. Bi-Phase is for all types of hair, especially chemically treated hair. Spray Bi-Phase though towel dry hair after a color or lightening process. Comb afterwards for a better distribution. Detangle, blow dry and style as usual. Do not rinse.