Our castor oil dense hair solution is rich in castor oil, which not only nourishes and protects hair, but also improves hair follicle health and promotes hair growth. Castor oil can keep hair hydrated, and the fatty acids in it can also supplement the natural oils of hair and protect hair. The way to use it is simple: take a proper amount of essential oil and gently brush your eyebrows and eyelashes. Apply an appropriate amount of essential oil to the roots of your hair, massage gently with your fingertips to absorb it, and use daily for better results.