This Sumac Scalp Scrub gently exfoliates scalp buildup and dead skin cells with bamboo and cellulose. Sumac is an antioxidant-rich spice which helps combat environmental aggressors. Peppermint, spearmint and tea tree oil invigorate the scalp. Olive oil moisturizes hair and scalp, imparting hair with elasticity, softness and shine. Fenugreek is a rich source of iron and proteins, which are essential nutrients for damaged hair.