Ducray Kelual DS Treatment Shampoo Severe Dandruff Conditions 100ml is a shampoo that durably eliminates dandruffs and calms itching. It is recommended in severe dandruff states, relapsing associated to redness and intense itching or to accompany hair scalps subject to seborrheic dermatitis (DS). The association of Ciclopiroxolamine and Piroctone Olamine acts for an optimised efficacy on the Malassezias by limiting their proliferation. Results: Itching are soothed from the first application, rednesses are soothed and dandruffs durably eliminated. Its efficacy has been demonstrated on 8 weeks. This shampoo respects the hair colour. Biodegradable formula. Tested under dermatological control. Made in France.