Vichy Dercos Anti-dandruff DS Detangling Treatment Shampoo 200ml 2 in 1 anti-dandruff treatment shampoo that helps rebalance the microbiome* and eliminates 100% of visible dandruff from the first application**. Anti-recurrence action for 6 weeks***. Easier to detangle, the hair is softer and shinier. Moisturizing for up to 72 hours and preserving hair color****. *In vivo study under dermatological control on 56 subjects with moderate to severe dandruff. 4 weeks of use with 3 anti-dandruff shampoos per week. **Consumer test, 262 subjects, regular use for 2 weeks, Italy. ***In vivo study under dermatological control on 32 subjects with significant to very significant dandruff, living in a polluted environment under conditions of stress and fatigue. 4 weeks of use with 3 anti-dandruff shampoos per week. 6 weeks of persistence. ****Instrumental tests.