The hydration and softness of the lips are regulated by the production of lipids from the epidermal cells located just below the stratum corneum. These lipids give the lips a smooth and velvety appearance....
Cleansing is the process by which, with the help of water and a cleanser (or soap), oily dirt, glandular secretions, shedding skin cells, and excess bacteria are removed from the skin.
Today, cleansing is commonly...
