Apply to clean, damp hair mid-length to ends and work through with fingers.
Start with two pumps for shoulder-length hair. Use more for longer, thicker hair, less for fine or short hair.
-Leave on for 10 minutes.
-Rinse fully and style as usual.
For the deepest repair possible at home, use with No. 0 Intensive Bond Building Hair Treatment and No. 3 Hair Perfector (both sold separately) once a week or as needed.