La Roche-Posay Kerium DS Treatment Shampoo Intensive Purifier Anti-Dandruff 125ml with ultra fine texture unclogs the persistent dandruff, sanitizes and relieves in-depth the scalp. - LHA exerts a fine and intensive micro-exfoliation to quickly eliminate the persistent dandruff. - The Root Targeting Technology puts a sanitizing complex to the scalp and the pilous-sebaceous follicle, to treat the origin of dandruff and prevent the recurrence. - PP Vitamin relieves in-depth the itchiness. The people who used it judged its cosmetic qualities excellent: - shiny hair 92%, - soft hair 90%, - hair easy to comb 84%.