This combination of potent sunny isle jamaican black castor oil and pure rosemary essential oil helps to effectively maintain healthy hair and skin. rosemary plays a vital role in hair care, especially in protecting hair from dandruff and other scalp issues. stimulates hair growth and may help to regrow hair after hair loss. helps to regrow thinning edges protects hair from dandruff. hair treatment: use as a hot oil treatment to strengthen damaged hair. moisturizing: works as an effective moisturizer for hair and skin as well as massage helpful to acne prone skin