IGK First Class Charcoal Detox Dry Shampoo This IGK First Class Charcoal Detox Dry Shampoo ($14-$27) can work on different textures from fine to coarse, and helps remove build up and reduce odours in all. The oil-reducing charcoal powder and scalp-soothing white tea powder that make this option powerful enough to work well after a sweaty workout, too. (There's also a travel-sized IGK Flight Club Dry Shampoo Travel Set ($28) with this option and ones for light and medium cleansing as well.) Image Source: sephora.com IGK First Class Charcoal Detox Dry Shampoo $14 from sephora.com Buy Now IGK Flight Club Dry Shampoo Travel Set $28 from sephora.com Buy Now