Eliminate up to 100% of visible flakes* after the first wash with Vichy Dercos Anti-Dandruff Shampoo, our advanced dermatological scalp shampoo for dry hair & scalp, formulated with 1% Salicylic Acid, 1% Selenium Disulfide, & Cohesyl to help provide up to 6 weeks anti-dandruff protection**. Dercos Anti-Dandruff works to gently exfoliate the scalp leaving hair feeling cleansed & purified from root to tip, designed to soothe & rebalance the scalp microbiome for healthier looking & feeling hair. Dercos Anti-Dandruff DS Shampoo Refill pack is designed to help reduce plastic wastage using 77% less plastic per ml of product versus our 200ml bottle in a 500ml value pack. Twist off the lid of your empty refillable Dercos shampoo bottle & fill with the contents of this shampoo pouch or use in shower directly from the pouch. Dermatologically tested o Hypoallergenic formula o Suitable for sensitive scalps o For dry hair & scalps o Pleasant texture & fragrance Recommended to use 2-3 times per week, once per week in maintenance phase. * Consumer test on 262 subjects after 2 weeks of regular use -Italy. ** Clinical study, 42 subjects. Anti-dandruff effect for up to 6 weeks after 4 weeks of usage.