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Home > Wellness > Health Library > Ultraviolet Rays From the Sun
The sunlight that reaches the earth has ultraviolet A and
ultraviolet B (UVA and UVB) rays. These ultraviolet rays are the main causes of
damage to the skin from the sun. UVA and UVB rays affect the skin's sensitivity
to sun exposure in different ways.
Use a sunscreen that has a
sun protection factor (SPF) of at least 15 or higher.
Sunscreens that say "broad-spectrum" can protect the skin from ultraviolet A
and B (UVA and UVB) rays. Sunscreens come in lotions, gels, creams, and
ByHealthwise StaffPrimary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency MedicineSpecialist Medical ReviewerH. Michael O'Connor, MD - Emergency Medicine
Current as ofNovember 14, 2014
Current as of:
November 14, 2014
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & H. Michael O'Connor, MD - Emergency Medicine
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