OSiS Refresh Dust for hair with a matte and powdery finish, is a volumizing dry shampoo that effectively fights oil while providing instant volume and setting the hair. Benefits Without fixation Refreshes oily hair and scalp Absorbs fat Provides instant volume and body How to use: Shake the volumizing dry shampoo well before and between sprays. Orient the nozzle towards the root area. Use with short sprays on dry hair from a distance of approximately 20cm. After 1-2 minutes, once the product has dried, brush the hair well in several directions to remove product residue. In case of obstruction, immerse the vaporizer in hot water and dry very well afterwards.