Yes for black shampoos! This shampoo Bare Bar is infused with Activated Charcoal for maximum deep cleansing. It’s perfect if you think your hair deserves a detox. It helps remove impurities and product build up on your scalp. This trial friendly size is estimated to be good for 7-10 washes! This is also available in our regular size, estimated to last you for 60 washes depends on hair length and thickness.