Key ingredients: Rosemary, mint, biotin, coconut oil Nécessaire takes a skin-first approach to its offerings, and its hair care collection is no different. This shampoo is supercharged with ...
“Massage it directly into the scalp, leave it on for 20 minutes, then shampoo the oils out of the hair and scalp.” If you have very fine hair and/or an oily scalp, James advises using rosemary ...