Hask Charcoal Clarifying Shampoo The charcoal in the Hask Charcoal Clarifying Shampoo ($6) is derived from coconuts and has been combined with lemon and grapefruit oils to gently clean your hair. It's even gentle enough that it won't ruin your colour. Image Source: ulta.com Hask Charcoal Clarifying Shampoo $6 from ulta.com Buy Now