A dermatological shampoo refill designed to treat dandruff and scalp imbalance in oily hair. Powered by selenium disulfide and cohesyl, it eliminates visible flakes, rebalances the scalp microbiome, and prevents recurrence. The formula purifies excess sebum while soothing scalp discomfort, leaving hair light, fresh, and flake‑free. Clinically proven efficacy from the first use. Eco‑friendly refill pack reduces plastic waste.