Causes of aging skin
Taking steps to block UVA is an effective anti-aging strategySure, summer is over and winter is on our doorstep, but that doesn’t mean that you should go without protection from ultraviolet light. Recognizing how the different wavelengths of light affect your skin is helpful in understanding how you should protect your skin.
Ultraviolet-B (UVB) and Ultraviolet-A (UVA) are different wavelengths of light. We will focus on UVA in this edition as UVB is related to direct sunlight – not too prevalent in the Northwest this time of year.
UVA accounts for up to 95 percent of the solar UV radiation reaching the Earth's surface. UVA rays are present during all daylight hours and throughout the year – even here in the Northwest – as they penetrate clouds and glass. For this reason, we are exposed to large doses of UVA even when we are not in the direct sunlight.
For years UVA has been strongly correlated with skin aging and wrinkling. Recent studies have strongly suggested that UVA may also initiate and exacerbate the development of skin cancers. With this knowledge, the foundation of any anti-aging strategy should be a UV light limiting regimen. Therefore, before you spend any time or money investing in rejuvenating your skin, we hope you will take the time to invest in UV protection – year round.
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