Head & Shoulders 2 In 1 Classic Clean Shoulders 2 In 1 Classic Clean is formulated with a fresh, clean scent, Head & Shoulders advanced Classic Clean shampoo and conditioner can help keep hair clean, manageable and 100% flake free. Gentle and pH balanced. Strong effective dandruff control with HydraZinc formula. Our proven HydraZinc formula tackles the cause of dandruff head on from the 1st wash, sweeping away visible flakes and helping to relieve dryness, itchiness and a tight scalp. For clean, conditioned hair. Balanced, beautifully clean hair starts with the scalp. This daily shampoo and conditioning system is expertly formulated to thoroughly cleanse and condition without build-up, leaving your hair soft and shiny.