Hollywood Style Herbal Formula Henna and Olive Oil Shampoo is a shine and bright formula for all hair types. Suitable for color-treated hair. Many diverse cultures have found that olives are beneficial to soothe dry and damaged scalp, while adding luster. To these old formulas we have added henna, which is widely revered for bringing brightness and shine to the hair. This is a safe family formula that will accent the natural brilliance of all healthy hair.