Neem oil is used for Hair Growth, Hair dandruff, skin fungus and pigmentation, face massage, scabies, acne-prone skin, and acne scars. Pure natural Neem essential oil should only be used externally on the skin and has been therapeutically used to control respiratory disorders, and constipation, as well as a general tonic. It has been used for the topical treatment of infected burn wounds and slow-healing skin ulcers as well as controlling various skin infections.