Ducray Kelual DS Shampoo is a specialized treatment formulated to address severe dandruff and seborrheic dermatitis. Its active ingredients, including ciclopiroxolamine and zinc pyrithione, effectively combat the Malassezia yeasts responsible for dandruff. The shampoo provides rapid relief from itching and redness, promoting a healthier scalp. Clinical studies have shown that 100% of users experienced a reduction in dandruff, 100% noted a soothing of redness, and 94% reported alleviation of itching after two weeks of use.