The basics Bumble and bumble Pret-A-Powder Tres Invisible Dry Shampoo is a 2-in-1 style extender that invisibly cleans while restoring fullness.  The benefits UV filters protect against sun damage. The uses Formulated with Hibiscus extract leaving hair soft and ultra-refreshed. The bottom line Leaves hair looking just-washed with zero residue with a light scent.