Castor Oil Our castor Oil oil contains ginger root extract, castor oil. It can reduce hair breakage, promote hair strengthening, repair damaged hair for stronger & healthier hair. The way to use it is very simple: take a step to wash your hair and blow dry it to semi-dry. Apply appropriate amount to scalp, then gently massage with fingertips for 2-3 minutes to fully absorb. Then blow dry your hair. It also deeply nourishes and strengthens hair to prevent dryness and breakage, making hair look smoother.