2 in 1 Rapid Hair Repair Conditioner is the best conditioner on dry hair for strengthening and Increasing hair growth. This all natural hair conditionercontains shea butter which adds moisture and shine to the hair. Its non-greasy quality makes it an excellent leave in conditioner. It softens dry brittle hair and helps repair damaged ends. 2 in 1 Rapid Hair Repair Conditioner can also be used as a deep conditioner. Its ability to penetrate the hair shaft strengthens and increases hair growth.