BB Castor Oil Hair Strengthening Creme. BB Castor Oil Hair Strengthening Creme With Aloe. New improved! 3 times more castor oil. More conditioners – more soothing. More powerful formula. BB castor oil and scalp conditioner. Doctors often recommend castor oil for babies’ hair and skin because of the excellent conditioning properties of castor oil. Apply BB castor oil daily to hair and scalp to keep hair healthy and conditioned.