Moderate amounts of sunlight are good for us, but excessive exposure can have serious consequences. Sunburn should be taken seriously as a warning sign.
Although sunscreens can reduce exposure to the ultraviolet (UV) radiation that is linked to cancer, applying some lotion is not enough for preventing skin cancer. Some studies suggest that sunscreen use can be harmful if people spend more time in the sun because they feel protected.
In addition to sunscreen, other ways to minimize UV exposure include wearing wide-brimmed hats, long sleeved shirts and long pants, and sunglasses that block UV rays. Staying in the shade and avoiding the sun when its rays are strongest (a couple of hours either side of midday) are also recommended.
You can do much to avoid looking older before your time by protecting your face and neck with a sunscreen that has at least an SPF (sun protection factor) of 15 on a daily basis.
A new ingredient in some skin care products, beta-glucan, increases the skin's resistance to oxidative stress induced by UVA rays. Beta-glucan which, like ceramides, is isolated from yeast cell walls, appears to stimulate the skin's immune defense mechanisms, promoting healing of sunburned skin and reducing cellular inflammation. Used in facial creams or foundation makeup, beta-glucan protects your skin from day-to-day exposure to the sun.
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