Alpecin Double Effect Shampoo 200MlThe ultimate anti dandruff shampoo, the Alpecin Double Effect shampoo boasts a unique dual action formula which gently but efficiently removes dandruff whilst soothing the scalp. Containing salicylic acid and piroctone olamine, two highly effective anti dandruff ingredients, this shampoo provides instant non inflammatory action, relieving the scalp of itching and using gentle micro exfoliation to leave you feeling refreshed and clean. Also made with a