Selenium DS technology, clinically proven effective: The scalp microbiome is rebalanced* - 100% of visible dandruff is permanently eliminated** - Itching is reduced*** - Anti-recurrence for 6 weeks***. Enriched with Hyaluronic Acid, this formula moisturizes for up to 72 hours**** and provides intense care to the hair fiber for revitalized hair. *In vivo study under dermatological control, on 56 subjects with moderate to severe dandruff. 4 weeks' use with 3 anti-dandruff shampoos per week. **Consumer test, 262 subjects, 2 weeks of regular use, 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' use with 3 anti-dandruff shampoos per week. 6 weeks of persistence. ****Instrumental tests