Improve the health of your hair and scalp with la roche posay kerium ds intensive anti dandruff shampoo a purifying formula that performs a deep cleanse to help eliminate stubborn dandruff whilst relieving itching scalps the formula is enriched with micro exfoliating lha to banish abundant dandruff and its root targeting technology delivers a purifying complex onto the scalp and pilosebaceous follicle to treat dandruff at its source cleansing away dead skin and impurities it will freshen