As the temperatures start rising and your scalp starts warming up, do you get the urge to shampoo more frequently, only to stop yourself because you realize that shampooing every day isn't necessary? Jonathan's new Green Rootine Dry Shampoo Brush On Hair Powder ($19) might just be the solution. Available in two shades (light and dark), this eco-friendly powder helps refresh and cleanse the hair without water, and its built-in brush allows for easier application.