The presence of prebiotics ensures the balance of skin microflora, allowing beneficial bacteria to grow and harmful bacteria such as Propionibacterium acnes to be destroyed. Witch hazel flower and green tea are astringent and bactericidal active ingredients. After rinsing, the skin is left feeling soft and deeply cleansed. Acniover Purifying Gel eliminates excess oil without drying, respecting the skin 's pH and restoring its balance thanks to its green tea , witch hazel and prebiotics content .