Description Light-as-air dry cleansing technology for scalp and hair that feel just washed. This healthy scalp dry shampoo is clinically proven to not clog pores or leave a white residue. No more dry, powdery roots or gritty build-up. Nº.4D is proven to leave hair looking and feeling clean. HOW TO USE: Shake well before using. Separate hair into sections. Hold the bottle 6-10” away from hair and spray onto roots. Wait 30 seconds and massage into the scalp.
