Dandrene Anti-Dandruff High-Performance Anti-Dandruff Shampoo & Conditioner Set 2x205ml. Anti-Dandruff Shampoo & Conditioner safely and effectively reverses chronic scalp issues while gently preserving shine and manageability. No other dandruff shampoo on the market contains such advanced cleansing properties while simultaneously creating a luxurious experience for the hair. There is no need to forgo beautiful hair in order to treat the scalp. Rather, dandruff and other scalp issues require superior ingredients. Dandrene was formulated with this need at the forefront of its design.