It's A 10 Miracle Leave-in with keratin is designed to help with split ends. This anti-breakage product helps with styling and protects hair from the sun. The keratin-enhanced formula is suitable for all hair types and appropriate for men and women. It's A 10 Leave-in is fortified with minerals but contains no sulfates, ammonia or alcohol. This is a cruelty-free product that's not tested on animals.