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  2. Do you know how the sun impacts your skin? SPF, skin ... - AOL

    www.aol.com/know-sun-impacts-skin-spf-093026185.html

    UV exposure from the sun can damage much more than just your skin's appearance, according to Dr. Robin Levin, a dermatologist from South Jersey Skin Care & Laser Center. Sun exposure can cause ...

  3. Does sunscreen expire? Should you wear it indoors ... - AOL

    www.aol.com/lifestyle/does-sunscreen-expire-wear...

    According to the MD Anderson Cancer Center, an SPF 15 sunscreen blocks 93% of the sun’s harmful UVB rays, and SPF 30 blocks 97%. Once you get higher than that, you’re only getting a small ...

  4. We asked a dermatologist the most common questions about SPF ...

    www.aol.com/lifestyle/asked-dermatologist-most...

    I always recommend a SPF level at or around an SPF 50, as that's the magical number where you are maximizing your UVB protection while using a formulation that is easy enough to rub in and will ...

  5. Sunscreen - Wikipedia

    en.wikipedia.org/wiki/Sunscreen

    The sun protection factor (SPF rating, introduced in 1974) is a measure of the fraction of sunburn-producing UV rays that reach the skin. For example, "SPF 15" means that 1 ⁄ 15 of the burning radiation will reach the skin, assuming sunscreen is applied evenly at a thick dosage of 2 milligrams per square centimeter [65] (mg/cm 2). It is ...

  6. Sun tanning - Wikipedia

    en.wikipedia.org/wiki/Sun_tanning

    A visible tan line on a woman whose skin has been darkened by ultraviolet exposure, except where covered. Sun tanning or tanning is the process whereby skin color is darkened or tanned. It is most often a result of exposure to ultraviolet (UV) radiation from sunlight or from artificial sources, such as a tanning lamp found in indoor tanning beds.

  7. You May Not Be Putting Enough Sunscreen On Your Face ... - AOL

    www.aol.com/may-not-putting-enough-sunscreen...

    If you have dry skin, this is the SPF for you. Infused with a 30% hyaluronic acid complex and an ingredient called Pentavitin, it provides up to 72-hours of hydration to your complexion.