Loose Powder We'll admit, dry shampoo in loose powder form seems a little intimidating — but it's surprisingly easy to apply! Simply shake a little bit onto your roots and massage the powder until it's fully absorbed. Some prefer this variation to the spray because it allows you to have more control over how much product will be applied and where. Bumble and Bumble Pret-à-Powder (£22) Bumble and Bumble Hair Care from net-a-porter.com Buy Now