Hemp oil strengthens the hair, gives it shine and volume. Spread a small amount of oil on the hair tips, massage into the scalp and hold for 30-60 minutes. or overnight and wash. The hair is particularly well absorbed by the warm oil, so it is recommended that you warm the oil or wrap the hair with a towel before use. to help deal with disobedient,bruised,flyaway hair, use a drop of oil on your comb, comb through and blow dry your hair. In addition, cannabis oil nourishes the capillary tissue, the hair begins to shine and becomes more managable.