Perfect Results Long Island Cocktails to Strengthen 3.76 oz Jamaican Black Castor Oil and Strengthening Castor Oil Blend. Light to medium oil. For moisture proofing + edge/growth treatment. Hydrates, thickens and strengthens hair. Promotes blood circulation in the scalp. Directions: To hydrate hair, place a small amount of the perfect cocktail in the palm of your hand, rub hands together and distribute evenly through damp or dry hair. Comb and style as usual.