Vichy dercos anti dandruff for sensitive scalp is a daily shampoo formulated with salicylic acid, piroctone olamine and bisabolol. This lightly scented formula is designed to help gently exfoliate the scalp and reduce discomfort and sensitivity. From the first use, visible flakes are removed and has a long lasting 6 week anti dandruff protection action.. This formula will leave your scalp feeling purified, soothed and balanced, while your hair feels instantly easier to detangle and style.. Key benefits. Double efficacy shampoo eliminates visible flakes from the first wash.. 6 week anti dandruff protection.. Cleanses and soothes the scalp and leaves hair feeling easier to detangle and style. Tested on sensitive scalps. Recommended by dermatologists. Suitable for daily use. Clinical study on 41 subjects after 4 weeks of use and 6 weeks of regression.