Thanks to its antioxidant and antibacterial credentials, this green little shrub has been used as medicine since the days of Ancient Greece. Studies show that rosemary can promote hair growth and even aid concentration. So you can do your deep thinking while you lather. If you’re searching for shampoo with rosemary oil, you’re in the right place. Our Rosemary Shampoo and Rosemary Conditioner use 100% natural essential oils so you can get all the benefits of this helpful herb.