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  2. Diethylamino hydroxybenzoyl hexyl benzoate - Wikipedia

    en.wikipedia.org/wiki/Diethylamino_hydroxybenzoy...

    Diethylamino hydroxybenzoyl hexyl benzoate is an organic compound used in sunscreens to absorb UVA radiation. It is marketed as Parsol DHHB by DSM and as Uvinul A Plus by BASF.

  3. Sun protective clothing - Wikipedia

    en.wikipedia.org/wiki/Sun_protective_clothing

    UPF (ultraviolet protection factor) represents the ratio of sunburn-causing UV without and with the protection of the fabric, similar to SPF (sun protection factor) ratings for sunscreen. While standard summer fabrics have UPF ~6, sun protective clothing typically has UPF ~30, which means that only 1 out of ~30 units of UV will pass through (~3%).

  4. 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 ...

  5. Ultraviolet index - Wikipedia

    en.wikipedia.org/wiki/Ultraviolet_index

    Reduce time in the sun between 10 a.m. and 4 p.m. If outdoors, seek shade and wear sun-protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 50+ sunscreen every 1.5 hours, even on cloudy days, and after swimming or sweating. Bright surfaces, such as sand, water, and snow, will increase UV exposure.

  6. Sun protection - Wikipedia

    en.wikipedia.org/wiki/Sun_protection

    Sun protection refers to: Sunscreen; Sun protective clothing; Car window sun protection glazing This page was last edited on 15 April 2021, at 18:58 (UTC). Text is ...

  7. SPF - Wikipedia

    en.wikipedia.org/wiki/SPF

    Sun protection factor, of sunscreen; Specific-pathogen-free, laboratory animals known to be without pathogens; Superplastic forming, of sheet metal; Space Power Facility, a NASA test facility; S-phase-promoting factor, in biology; Formal spectrum of a ring, a construction in algebraic geometry; Spray polyurethane foam, a building insulation ...

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