The sun is notorious for dulling hair color & is a big culprit for damaging the hair cuticle. When the cuticle is damaged, hair is more likely to become more frizzy & brittle. Our hair serum for dry damaged hair has a skin-soothing formula that nourishes hair while providing deep moisture for beautiful, healthy hair. This natural hair serum for frizzy hair reinforces & seals the cuticle to dramatically repair sun damage while detangling, eliminating frizz & protecting against free radicals.