Scalp Advanced Anti-discomfort Intense soother treatment was targeted-formulated for sensitive scalps. After only 1 use, up to 83% soothing* & up to 96% more hydration**. Enriched with Niacinamide, a vitamin from the B3 family, known for its regulating and soothing powers. *Self assessment on 32 subjects after application of shampoo + mask + hair drying. **Instrumental test.