Written by Charles Peacock
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Moisturizers are sometimes a necessary part of maintaining healthy skin. Our bodies are made of over 90 percent water, and conditions like heat and dry air can quickly suck the life out of our fragile outer layers. The best way to prevent this problem is to keep your skin moisturized at all times.

How Moisturizers Work

Indoors, outdoors, at the beach, on a mountain--no matter where you are, your skin is always affected by the atmosphere around you. Dry air can quickly lead to dry skin, especially when it's hot and your body is cooling itself by evaporating moisture through the process known as sweating. So how do you protect yourself and your skin against the dangers of drying?

Moisturizing your skin before you expose it to dangerous climates can keep your skin feeling soft and comfortable all day long. Moisturizers work in a preventative manner by creating a thin film over your skin which allows you to retain your natural level of moisture. The moisturizer acts like a barrier between your healthy, water-filled body and the dry, sponge-like air around you.

Moisturizers can also replenish your skin when it has dried out due to overexposure. Most good moisturizers contain not only a protective element, but also a degree of actual moisture that can be absorbed into your skin when it has become dry. So if you're having a problem with dry skin, it's a good idea to use moisturizers regularly--not only after your skin has become dry, but before.

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