Head & Shoulders Smooth and Silky 2-in-1 Anti-Dandruff Shampoo and Conditioner 900 ml Bottle Contains a highly purified formula that effectively eliminates grease and hair dryness to protect against dandruff, nourishing shampoo with a formula equivalent to the beneficial oils present on the scalp. Its anti-oxidant formula tested by dermatologists does not cause any skin irritation, it also guarantees the care of the skin and hair and makes it beautiful without dandruff 100%.