It seems as though citrus fruits, and lemon in particular, are incredibly value in natural medicine, and they also serve a role in eliminating dry hair. Lemon juice acts as a natural moisturizer, making it important for skin health, but also the health of your scalp and hair follicles. You can mix a small amount of lemon extract with water and then gently apply it to the scalp following a thorough shampoo. After letting the mixture sit for 5-10 minutes, wash your hair again. The antioxidants, minerals and organic acids found in lemon will help keep your hair hydrated, fresh and clean!