Sebum is the skin's natural lubricant. It helps to prevent friction from damaging the skin's outer layers, provides nourishment to them and has a slight degree of antibacterial activity.

When sebum becomes old and mixes with air, perspiration or dirt, it has an unpleasant odor. Excessive sebum production is believed to play a role in acne and insufficient sebum production is a cause of dry skin. That is why body lotions and moisturizers are used to prevent dry skin.  You can go to and shop for firming body lotion.

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Like topical moisturizers, sebum works to hold moisture in the skin's cells. When the outer cells become dry, they are itchy and flaky. So, your goal is to remove excessive sebum before it becomes smelly without over-stripping the skin. 

Face wash is used to remove excess sebum. It is recommended not to use soap on our face because it is a combination of fatty acids and an alkali, typically oil. Which makes our skin very dry. Bar soaps tend to be the driest, but there are some glycerin-based bar soaps that are less so. Glycerin is a natural moisturizer. Plus, the extra amount of grease in cleansers helps reduce the risk of dryness, flaking, and itching.

Some experts recommend daily exfoliation in addition to regular washing. The benefits of this recommendation are unclear. Some of the ingredients commonly found in exfoliating cleansers cause tiny scratches on sensitive facial skin. The scratches can become infected or inflamed. Eventually, the inflammation could damage the skin's collagen fibers.

Finally, it is essential to use a moisturizer after cleansing, regardless of whether or not you use the best face wash. Your next step should be to learn which moisturizers are the best.