Specifically designed for those with dandruff, dry scalp irritations or excess oil, the Kérastase Specifique Bain Anti-Pelliculaire Shampoo Duo offers a targeted formula that effectively eliminates impurities with anti-dandruff agents that remove flakes and stop them reappearing for up to 8 weeks. This soothing shampoo works to combat both dry and oily dandruff flakes. It contains antioxidants and antibacterial agent Zync Pyrithione to deep clean the hair and rid the scalp of the microorganisms that can cause dandruff. This powerful ingredient also helps to prevent any bacteria from reforming for up to 8 weeks. It\'s further infused with Salicylic Acid which helps to halt oil build-up in the scalp and visibly reduce the appearance of flaking. Its exfoliating properties provide an intense clean of the scalp. Dandruff can be caused by scalp irritation, and Specifique Bain Anti-Pelliculaire works to soothe the scalp and lengths so hair feels revitalized and refreshed. By purifying the scalp and remedying dry and oily flakes, hair feels lighter, softer and healthier. To use, massage into damp hair and emulsify to stimulate the circulation of blood in the scalp before rinsing off thoroughly.