Ultra Growth Pro Growth Hair Mask With Basil Basil oil is extremely beneficial in accelerating hair growth. The basil massage oil improves the circulation of the scalp, which stimulates the hair follicles and promotes the production of new and healthy hair again. While castor oil improves blood circulation to the scalp, ensuring better nutrition for hair follicles. This acid also helps balance the pH of the scalp. Castor oil is rich in antioxidants that support keratin in hair, making it softer, stronger, and less frizz. Our ultra-growth products work to keep your hair color vibrant while giving your hair greater manageability, softness and shine.