Water Vapor Levels in Air and Your Skin

We know that water vapor in outdoor air continually enters a residence and changes the level of indoor relative humidity. Consequently, there should be a direct connection between local weather conditions, for example the concentration of water vapor in outdoor air, and people’s tendency to have dry skin caused by exposures to indoor humidity and temperature stressors.

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The Secret Behind the Effective Use of Skin Moisturizers

Does this situation sound familiar…

You observe some flaky dry skin on your face, arms or legs and so then you decide to buy a moisturizing lotion or cream. But unless you already know what product you are going to purchase, it’s somewhat daunting to select a moisturizer because of the multiple brands available as well as the wide variety of different formulations and ingredients.

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Optimum relative humidity for healthy skin

The outer layer of skin (i.e., stratum corneum or SC) exhibits both biochemical and biophysical changes in response to variations in indoor temperature and relative humidity (RH). Researchers have found that a relative humidity of approximately 60% supports the healthy functioning of skin.

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