Dr. Anna Magee is here again to explain a bit more on how we can play an active role in protecting ourselves from the harmful effects of the sun. Mexoryl is a relatively new ingredient found in only L’oreal products of sunscreen. This ingredient is special because it protects the skin from UVA Radiation. It is believed to be far more comprehensive that other commonly used UVA filters.
There is a difference between UVA and UVB rays. UVB rays commonly cause the skin to go red and burn. However, UVA rays penetrate the lower dermal layer of the skin, leading to wrinkling and a greater risk of developing skin cancer. Because of this evidence, UVA protection has become increasingly sophisticated in recent years, in an attempt to provide better sun protection. Consumers should consider UVA protection to be an important part of their daily skincare routine. UVA waves represent 90%-95% of all UV rays that reach the earth. Unlike UVB waves, which remain primarily at the epidermal level, UVA waves penetrate deeper into the dermis or base layer of the skin.
It is important to note that UVA rays are present year long even in the winter, and they can penetrate through clouds, windows and occasionally through clothing. When protecting the skin, one needs a product that can be used every day against the harmful effects of UVA and UVB rays. This brings us back to Mexoryl and how special it really is. It is the first and only sun filter available in the U.S. in a photo-stable form designed to protect the skin from the harmful short UVA waves. Photo-stable means it does not degrade when it is exposed to the sun for long periods of time. It is only available in L’oreal products.
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