Wash away dandruff and soothe scalp sensitivity with the la roche posay kerium ds anti dandruff treating shampoo, an intensive micro exfoliating shampoo treatment that helps remove abundant and persistent dandruff. While deeply cleansing the hair and scalp, la roche posay's treatment shampoo helps relieve and soothe sensations of itching. The hair wash is infused with micro exfoliating lhatm with salicylic acid to tackle dandruff and purify your scalp. The intensive treatment helps to rapidly eliminate flakes and calm itchiness from the first week of use, while preventing the reappearance of dandruff for up to four weeks, thanks to its anti relapse efficacy. The purifying gel shampoo has an ultra fine micronised texture that allows for even application, while cleansing and refreshing hair from root to end. Why we love it we love how quick and easy this dandruff treatment is to use you don't have to apply and wait around for it to work, you simply use it to wash and refresh your hair while showering, leave in for two minutes and rinse out, so you don't have to add on any additional steps to your current hair care routine. Plus, it's an intense treatment that you only need to use twice a week for four weeks before seeing the results. How to use it use twice a week for four weeks as an intense treatment. Apply to wet hair and massage the scalp gently. Leave in for two minutes and then rinse. Works well with explore la roche posay's hair care collection to continue nurturing your hair and scalp.