By Albatross Designs (the stainless steel butterfly razor people), the peppermint and tea tree essential oils and herbal formula in this 4.5 ounce shampoo bar will awaken your senses and repair hair follicles, as well as nourish your scalp. Gentle enough to use every day - and actually a great body soap too. To maximize the lifespan of your bar, be sure to use a draining soap dish.