Vichy Dercos Anti-Dandruff Shampoo for normal to oily hair types, is a dermatologist-tested, advanced dandruff solution enriched with 1% Salicylic Acid, 1% Selenium Disulfide & Cohesyl, helping to gently exfoliate & soothe the scalp to help remove excess sebum. This scalp microbiome balancing formula effectively eliminates up to 100% of visible flakes* & provides anti-dandruff protection for up to 6 weeks**. Unlike traditional dandruff shampoos Dercos is formulated with a pleasant fragrance & application to leave your scalp feeling cleansed & purified with hair instantly feeling lighter & easier to style. 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 Normal to Oily Hair Types 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.