Olay Gentle Cleansers Conditioning Milk. As well as providing the basis for beauty, effective cleansing can actually improve the quality our skin, enhancing its radiance and keeping it younger looking. The surface of our skin is covered with an intricate pattern of grooves with openings leading to sweat and sebum producing glands. These grooves and pores are a perfect environment for dirt and grime which can lead to blockage and impair both the function and appearance of that skin.