Diane Perfect Beauty Dry Shampoo “Cool” (Fresh Citrus & Herbs, 95 g) is a water-free, instant scalp refresher from Japan that neutralizes sweat-induced oiliness and revives hair with a clean, “just-washed” feel and a crisp citrus-herb scent. Its ultra-fine powder absorbs sebum without leaving visible residue while imparting a cooling sensation that refreshes on the spot. Enriched with argan oil and botanical extracts, it boosts shine and supports scalp wellness. Ideal for freshening hair after workouts, taming midday greasiness, or adding volume and shine in between washes.