A: Giving your hair an instant refresh PLUS, encouraging the growth of healthy roots. And with our GRO Dry Shampoo, you can do just that. Take a look as @amandapaigewilliams shows you how to use dry shampoo to pump up the volume with our GRO Dry Shampoo. It's the first dry shampoo of its kind to feature growth actives like mung bean and red clover that help to inhibit DHT and enrich your hair with minerals such as zinc, selenium, silica, iron and Vitamins A, B, C, D7 (biotin) & K.