Our Ingredients: Bentonite Clay. What doesn't bentonite clay do?! Along with astringent properties, it gently exfoliates skin making it a great addition to soap and face masks. It has been used to treat acne and poison ivy. Bentonite clay also helps absorb sweat, making it a great deodorant. When used in hair products, bentonite clay can help restore hair’s natural balance and remove product buildup from the hair and scalp.