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  2. Helioplex - Wikipedia

    en.wikipedia.org/wiki/Helioplex

    Helioplex is a formulation of broad-spectrum ultraviolet (UVA and UVB) skin protection containing avobenzone and oxybenzone made by Neutrogena. Avobenzone-containing products have decreasing efficiency after a few hours of sun exposure, but the manufacturer claims that the addition of oxybenzone reduces the amount of degradation that occurs.

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

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

    Sunscreens are formulated to last up to 3 years, however if they are exposed to light or heat, they lose their effectiveness -- like food, sunscreens can expire. First, never use a sunscreen after ...

  4. Dermatologists Say These Are The Best Sunscreens To Avoid ...

    www.aol.com/lifestyle/dermatologists-best...

    Physical Matte UV Defense SPF 50. Oily skin and enlarged pores go hand in hand, but luckily this 100 percent physical sunscreen tackles both to keep your skin smooth and shine-free all day long.

  5. Dermatologists Say These Are The 15 Best Spray Sunscreens Out ...

    www.aol.com/lifestyle/dermatologists-17-best...

    The best face and body spray sunscreens without benzene, tested by dermatologists, are good if you have sensitive skin and can be put on the face over makeup. Dermatologists Say These Are The 15 ...

  6. Health effects of sunlight exposure - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_sunlight...

    Sunbaker, by Max Dupain. Exposure of skin to ultraviolet radiation from sunlight presents both positive and negative health effects. On the positive side, UV exposure enables the synthesis of vitamin D 3, which is essential for bone health [1] and potentially plays a role in inhibiting certain cancers.

  7. Photodermatitis - Wikipedia

    en.wikipedia.org/wiki/Photodermatitis

    Photodermatitis, sometimes referred to as sun poisoning or photoallergy, is a form of allergic contact dermatitis in which the allergen must be activated by light to sensitize the allergic response, and to cause a rash or other systemic effects on subsequent exposure.

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

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

    “Chemical sunscreens,” such as avobenzone, oxybenzone and octinoxate, “absorb UV rays, while mineral sunscreens — zinc oxide or titanium dioxide — act as a physical barrier preventing UV ...

  9. Octyl methoxycinnamate - Wikipedia

    en.wikipedia.org/wiki/Octyl_methoxycinnamate

    Estrogenic and neurological effects were noted in laboratory animals at concentrations close to those experienced by sunscreen users [11] [12] and were also shown in vitro. [citation needed] Octyl methoxycinnamate has been shown to be light sensitive with a decrease in UV absorption efficiency upon light exposure. [13]