Short-term exposure to blue light emitted by electronic devices does not worsen melasma
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About: This article is published in Journal of The American Academy of Dermatology. The article was published on 01 Sep 2020. and is currently open access. The article focuses on the topics: Melasma.
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Update on Melasma—Part I: Pathogenesis
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Impact of visible light on skin health: The role of antioxidants and free radical quenchers in skin protection
TL;DR: In this paper , the effectiveness of topical sunscreen with antioxidant combinations in inhibiting VL + UV-A1-induced erythema in patients with light skin (Fitzpatrick skin types I-III) and pigmentary changes in individuals with dark skin types (FSTs IV-VI).
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Blue Light Protection, Part I-Effects of blue light on the skin.
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References
Impact of long-wavelength UVA and visible light on melanocompetent skin.
Bassel H. Mahmoud,Eduardo Ruvolo,Camile L. Hexsel,Yang Liu,Michael Owen,Nikiforos Kollias,Henry W. Lim,Iltefat H. Hamzavi +7 more
TL;DR: Results showed that although both UVA1 and visible light can induce pigmentation in skin types IV-VI, pigmentation induced by visible light was darker and more sustained.
353
Melanocytes Sense Blue Light and Regulate Pigmentation through Opsin-3.
Claire Regazzetti,Laura Sormani,Delphine Debayle,Françoise Bernerd,Meri K. Tulic,Gian Marco De Donatis,B. Chignon-Sicard,Stéphane Rocchi,Thierry Passeron +8 more
TL;DR: Evidence is provided showing that OPN3 is the key sensor in melanocytes responsible for hyperpigmentation induced by the shorter wavelengths of visible light, and the multimeric tyrosinase/tyrosinases-related protein complex induced after its activation appears as new potential targets for regulating melanogenesis.
266
Differences in visible light-induced pigmentation according to wavelengths: a clinical and histological study in comparison with UVB exposure.
Luc Duteil,Nathalie Cardot-Leccia,Catherine Queille-Roussel,Yves Maubert,Y. Harmelin,F. Boukari,Damien Ambrosetti,Jean-Philippe Lacour,Thierry Passeron +8 more
TL;DR: The blue–violet light induced a significantly more pronounced hyperpigmentation that lasted up to 3 months, when compared to UVB irradiation, which showed a significant increase of keratinocyte necrosis and p53 with UVB, as compared to 415‐ and 630‐nm exposures.
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