Matrix Biolage R.A.W. Scalp Care Antidandruff Shampoo is a natural origin scalp exfoliating treatment. Enriched with a unique combination of 2.9% Salicylic Acid and Willow Bark, it helps purify the scalp and eliminate visible signs of dandruff. Tested under dermatological control, this formula is suitable for sensitive scalps and helps to soothe irritation. De-stress your scalp with Biolage R.A.W. scalp care shampoo. This scalp exfoliating treatment shampoo uses a unique combination of 2.9% active Salicylic Acid + Willow Bark in a first-of-its-kind natural origin formula, purifying flaky scalp and helping to eliminate dandruff. What is Salicylic Acid? The word salicylic comes from the Latin “salix”, which means willow tree. It exists in the bark of this tree, helping it to resist bacteria . Salicylic acid dissolves the protein that bonds cells together. Once individualised and detached from the scalp, flakes are easier to eliminate. Good to know: - 2.9% Active Salicylic Acid. - Natural-Origin Formula. - Vegan Formula. - Clinically proven to treat dandruff and tested under dermatologist control. - No silicones and free of artificial colourants. - Vegan Formula.