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  2. Transparency (graphic) - Wikipedia

    en.wikipedia.org/wiki/Transparency_(graphic)

    This image shows the results of overlaying each of the above transparent PNG images on a background color of #6080A0. Note the gray fringes on the letters of the middle image. This shows how the above images would look when, for example, editing them. The grey and white check pattern would be converted into transparency.

  3. Category : Images that should have transparent backgrounds

    en.wikipedia.org/wiki/Category:Images_that...

    Media in category "Images that should have transparent backgrounds" The following 105 files are in this category, out of 105 total. 111th Battle For The Bell.jpeg 370 × 208; 33 KB

  4. Sunscreen - Wikipedia

    en.wikipedia.org/wiki/Sunscreen

    Sunscreen, also known as sunblock, [a] sun lotion or sun cream, is a photoprotective topical product for the skin that helps protect against sunburn and prevent skin cancer. Sunscreens come as lotions, sprays, gels, foams (such as an expanded foam lotion or whipped lotion [4]), sticks, powders and other topical

  5. Ultraviolet photography - Wikipedia

    en.wikipedia.org/wiki/Ultraviolet_photography

    Ultraviolet photography is a photographic process of recording images by using radiation from the ultraviolet (UV) spectrum only. Images taken with ultraviolet radiation serve a number of scientific, medical or artistic purposes. Images may reveal deterioration of art works or structures not apparent under light. Diagnostic medical images may ...

  6. Cosmetics - Wikipedia

    en.wikipedia.org/wiki/Cosmetics

    Sunscreens are creams, lotions, sprays, gels, sticks, or other topical projects that protect the skin from the sun. They contain organic or inorganic filters that act to absorb or reflect harmful UV radiation. [27] Sunscreens are marked with 'spf', which means 'sun protection factor.' This shows that a product provides protection against UVB. [27]

  7. UV filter - Wikipedia

    en.wikipedia.org/wiki/UV_filter

    The photolysis of sunscreen products is more complicated than the behavior of individual UV filters, as shown by this example. In the presence of other UV filters, Benzotriazole, and humic acids, Benzophenone -3 degradation was observed through the loss of hydroxyl and benzoyl functional groups resulting in the formation of 2,4 dimethyl anisole.

  8. See-through graphics - Wikipedia

    en.wikipedia.org/wiki/See-through_graphics

    See-through graphics can be added to glass or other transparent panels to provide advertising, branding, architectural expression, one-way privacy and solar control. See-through graphics on the outside of a window See-through graphics: the view outside is unobstructed. Perforated self-adhesive window films are often used to create see-through ...

  9. Octocrylene - Wikipedia

    en.wikipedia.org/wiki/Octocrylene

    Octocrylene is an organic compound used as an ingredient in sunscreens and cosmetics. It is an ester formed by the Knoevenagel condensation of 2-ethylhexyl cyanoacetate with benzophenone . It is a viscous, oily liquid that is clear and colorless.