Specially formulated for dry scalps prone to dandruff, VICHY’s Dercos Shampoo Refill cleanses and visibly detoxifies the hair, while helping to eliminate up to 100% of visible flakes from the 1st wash* and protect for up to 6 weeks**. The refill replenishes your existing shampoo bottle. Formulated with expert hair dermatological actives, this gentle exfoliator lifts impurities and dead skin cells for a fresh finish. Transforming into a foam, the shampoo utilises a blend of 1% salicylic acid and 1% selenium disulfide to help minimise dryness and nourish the scalp. Boasting a rich, creamy texture, the shampoo is topped with a refreshing scent. Hair is left feeling soothed and touchably soft with a smooth appearance. *Consumer test on 262 subjects after 2 weeks of regular use. ​** Clinical study on 32 subjects after 4 weeks of use and 6 weeks of remanence.