Exposure to the sun produces formation of molecules
in the skin called free radicals and these molecules attack healthy skin
cells, damaging and interfering with the production of new collagen.
With destruction of the collagen fibers and hyaluronic acid molecules,
the skin loses its firmness resulting in wrinkles.
Three
types of radiation reach us from the sun. Visible and infrared rays
provide light and warmth but ultraviolet rays are harmful. The sun's
ultraviolet (UV) light falls into three wavelength bands: UVA, UVB and
UVC.
Here are tips on how to protect your skin the damaging effect of the sun.
Stay out of the sun: Whenever possible stay out of the sun for long periods of time, especially between 10 a.m. and 2 p.m., when rays are strongest.
Wear sunglasses:
It is best to wear sunglasses that wrap around the eyes and have 100
percent UV-blocking lenses since most sunscreens are too harsh to use on
the sensitive area around the eyes
.
Protect exposed skin all year round:
Wear sunscreen with an SPF (Sun protection factor) of 15 to 30,
depending on the season and length of exposure. Long-sleeved shirts and
wide brimmed hats provide some protecton. Remember, the sun penetrates
through loosely woven and wet clothing very easily, so wear sunscreen
even when covered. Also apply liberally, use about one teaspoon to your
face and at least one ounce (about a sot glass) to your body each day.
The face and hands are high-risk areas for cancer, so apply liberally to
those areas.
If you have a sensitive skin: Use
a cream-based product and avoid sunscreens with tretinoin which dries
the skin also look for a fragrance-free, hypoallergenic sunscreen if you
have any allergies to skin products.
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