This Head and Shoulders Citrus Fresh Anti-Dandruff Shampoo comes with great dandruff control with HydraZinc formula combined with water-activated scent burst technology. Cleaning your hair with a gentle formula, this anti-dandruff shampoo comes with a fruity blend of citrus, leaving scalp and hair fresh, clean and dandruff free.. 1 x Head & Shoulders Citrus Fresh Anti-Dandruff Shampoo 500ml. HydraZinc and water-activated scent burst technology. Gentle on hair and scalp. up to 100% dandruff free. Derma& Pure action