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2. Ultraviolet light therapy - Wikipedia

   en.wikipedia.org/wiki/Ultraviolet_light_therapy

   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.

3. PUVA therapy - Wikipedia

   en.wikipedia.org/wiki/PUVA_therapy

   PUVA (psoralen and UVA) is an ultraviolet light therapy treatment for skin diseases: vitiligo, eczema, psoriasis, graft-versus-host disease, mycosis fungoides, large plaque parapsoriasis, and cutaneous T-cell lymphoma, using the sensitizing effects of the drug psoralen.

4. Light therapy - Wikipedia

   en.wikipedia.org/wiki/Light_therapy

   Light therapy, also called phototherapy or bright light therapy is the exposure to direct sunlight or artificial light at controlled wavelengths in order to treat a variety of medical disorders, including seasonal affective disorder (SAD), circadian rhythm sleep-wake disorders, cancers, and skin wound infections.

5. UV-B lamps - Wikipedia

   en.wikipedia.org/wiki/UV-B_lamps

   The main use of UVB lamps is as phototherapy lamp, meaning treating skin diseases with light. The diseases UV-B lamps treat are psoriasis, [2] vitiligo, lichen planus, atopic dermatitis (eczema), and other skin diseases. Thousands of dermatology clinics around the world treat skin ailments using UV-B lamps. Many people who suffer from psoriasis ...

6. Photorejuvenation - Wikipedia

   en.wikipedia.org/wiki/Photorejuvenation

   Photorejuvenation is a skin treatment that uses lasers, intense pulsed light, or photodynamic therapy to treat skin conditions and remove effects of photoaging such as wrinkles, spots, and textures. The process induces controlled wounds to the skin. This prompts the skin to heal itself, by creating new cells.

7. Photodynamic therapy - Wikipedia

   en.wikipedia.org/wiki/Photodynamic_therapy

   Porphyrin's highly conjugated skeleton produces a characteristic ultra-violet visible (UV-VIS) spectrum. The spectrum typically consists of an intense, narrow absorption band ( ε > 200000 L⋅mol−1 cm−1) at around 400 nm, known as the Soret band or B band, followed by four longer wavelength (450–700 nm), weaker absorptions ( ε > 20000 L ...

8. Intense pulsed light - Wikipedia

   en.wikipedia.org/wiki/Intense_pulsed_light

   Intense pulsed light (IPL) is a technology used by cosmetic and medical practitioners to perform various skin treatments for aesthetic and therapeutic purposes, including hair removal, photorejuvenation (e.g. the treatment of skin pigmentation, sun damage, and thread veins) as well as to alleviate dermatologic diseases such as acne.

9. Indoor tanning - Wikipedia

   en.wikipedia.org/wiki/Indoor_tanning

   Indoor tanning is a source of UV radiation, which is known to cause skin cancer, including melanoma [11] [12] [13] and skin aging, [14] and is associated with sunburn, photodrug reactions, infections, weakening of the immune system, and damage to the eyes, including cataracts, photokeratitis (snow blindness) and eye cancer.