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2. UV-B lamps - Wikipedia

   en.wikipedia.org/wiki/UV-B_lamps

   UV-B lamps. UV-B lamps are lamps that emit a spectrum of ultraviolet light with wavelengths ranging from 290–320 nanometers. This spectrum is also commonly called the biological spectrum due to the human body's sensitivity to light of such a wavelength. [1] UV-B light does not tan the skin very much, compared to the UV-A lamps that are used ...

3. Ultraviolet - Wikipedia

   en.wikipedia.org/wiki/Ultraviolet

   Ultraviolet (UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays. UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun. It is also produced by electric arcs, Cherenkov radiation, and ...

4. Electromagnetic spectrum - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_spectrum

   The electromagnetic spectrum is the full range of electromagnetic radiation, organized by frequency or wavelength. The spectrum is divided into separate bands, with different names for the electromagnetic waves within each band. From low to high frequency these are: radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and ...

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

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

   The most simple way of thinking of it is an SPF 15 filters out 93 percent of UVB light while a SPF 30 filters out 97 percent of UVB light. I always recommend a SPF level at or around an SPF 50, as ...

6. Ultraviolet light therapy - Wikipedia

   en.wikipedia.org/wiki/Ultraviolet_light_therapy

   D014467. [edit on Wikidata] Ultraviolet light therapy or ultraviolet phototherapy is a treatment for psoriasis, atopic skin disorder, vitiligo and other skin diseases. There are two main treatments: UVB that is the most common, and PUVA. There are four UVB types of lamps: Fluorescnt Broad-Band UVB that emit 280-330 nanometer, Fluorescent Narrow ...

7. Can UV light wands actually disinfect your Airbnb? An expert ...

   www.aol.com/uv-light-wands-actually-disinfect...

   There are several kinds of UV light, explained Andrea Armani, a professor of chemical engineering and material science at the University of Southern California. UV radiation, or ultraviolet ...

8. Blacklight - Wikipedia

   en.wikipedia.org/wiki/Blacklight

   A blacklight, also called a UV-A light, Wood's lamp, or ultraviolet light, is a lamp that emits long-wave ultraviolet light and very little visible light. [ 1 ] [ 2 ] [ 3 ] One type of lamp has a violet filter material, either on the bulb or in a separate glass filter in the lamp housing, which blocks most visible light and allows through UV ...

9. The 12 Best UV Lamps for Nails to Dry Your Polish in Minutes

   www.aol.com/13-best-uv-lamps-nails-184500799.html

   UV LED Nail Lamp. Featuring a near-perfect rating on Amazon and over 49,000 customer reviews, this best-selling nail lamp uses a built-in sensor and adjustable timer to cut down on drying time.