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    Glossary Ultraviolet A

    long-wavelength ultraviolet light that penetrates deeply into the skin

    Ultraviolet A (UVA) is a type of ultraviolet radiation with wavelengths ranging from 320 to 400 nanometers. It penetrates the skin more deeply than UVB, contributing to skin aging and long-term skin damage, and is also implicated in the development of some skin cancers. UVA is commonly encountered in sunlight and is also used in tanning beds.

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    1. Ultraviolet Radiation in Wound Care: Sterilization and Stimulation Advances in wound care · 2013 · 106 citations
    2. A Novel In Vivo Model for Evaluating Agents that Protect Against Ultraviolet A-induced Photoaging Journal of Investigative Dermatology · 1998 · 26 citations
    3. Review of the current understanding of the effect of ultraviolet and visible radiation on hair structure and options for photoprotection International Journal of Cosmetic Science · 2004 · 22 citations
    4. Weathering of the hairless scalp: a study using skin capacitance imaging and ultraviolet light-enhanced visualization Clinical and Experimental Dermatology · 2009 · 19 citations
    5. Identification of ultraviolet B radiation-induced microRNAs in normal human dermal papilla cells Molecular Medicine Reports · 2014 · 18 citations
    6. Effect of Vitamin D on the Expression of Inflammatory Biomarkers in Cultured Sebocytes Treated with<i>Propionibacterium acnes</i>or Ultraviolet B Irradiation Annals of Dermatology · 2016 · 3 citations
    7. Ultrastructure study of hair damage after ultraviolet irradiation Journal of Cosmetic Dermatology · 2013 · 2 citations
    8. ALOPESİ AREATADA TOPİKAL PSORALEN VE ULTRAVİOLE A FOTOKEMOTERAPİSİNİN ETKİNLİĞİNİN DEĞERLENDİRİLMESİ DergiPark (Istanbul University) · 2015
    9. Dermoscopy and Ultraviolet-Enhanced Fluorescence Dermoscopy (UEFD) Increase the Accuracy of Diagnosis and Are Useful in Assessing the Effectiveness of Kerion celsi Treatment Journal of Fungi · 2025
    10. Application of Ultraviolet-Induced Fluorescence Trichoscopy (UVFT) in Hair and Scalp Diseases Dermatology and Therapy · 2025
    11. Ultraviolet and androgenetic alopecia Chinese Journal of Dermatology · 2023
    12. Extracellular vesicles from adipose-derived stem cells ameliorate ultraviolet B-induced skin photoaging by attenuating reactive oxygen species production and inflammation Stem Cell Research & Therapy · 2020 · 90 citations
    13. Development of Novel Cosmetic Base Using Sterol Surfactant. II. Solubilizing of Sparingly Soluble Ultraviolet Ray Absorbers<sup>&dagger;</sup> Journal of Oleo Science · 2009 · 12 citations
    14. Effect of ultraviolet light on topical minoxidil-induced hair growth in advanced male pattern baldness Journal of The American Academy of Dermatology · 1987 · 8 citations
    15. Androgenic alopecia may have evolved to protect men from prostate cancer by increasing skin exposure to ultraviolet radiation Medical Hypotheses · 2007 · 6 citations
    16. Effects of ultraviolet B radiation on physicochemical properties of human hair shaft Microscopy Research and Technique · 2012 · 5 citations
    17. Protection and Restoration of Damaged Hair via a Polyphenol Complex by Promoting Mechanical Strength, Antistatic, and Ultraviolet Protection Properties Biomimetics · 2023 · 1 citations
    18. Overexpression of Bcl-2 Protects from Ultraviolet B-Induced Apoptosis but Promotes Hair Follicle Regression and Chemotherapy-Induced Alopecia ˜The œAmerican journal of pathology · 2000 · 47 citations
    19. Effect of Ultraviolet Radiation, Smoking and Nutrition on Hair Current problems in dermatology · 2015 · 19 citations
    20. Ultraviolet Light-Induced Leukoderma of the Scalp Associated with Androgenetic Alopecia: Senescent Actinic Depigmentation of the Scalp Journal of Cutaneous Medicine and Surgery · 2009 · 9 citations
    21. Comparison of the acute ultraviolet photoresponse in congenic albino hairless C57BL/6J mice relative to outbred SKH1 hairless mice Experimental dermatology · 2016 · 8 citations
    22. Protein Kinase C Epsilon Signals Ultraviolet Light‐induced Cutaneous Damage and Development of Squamous Cell Carcinoma Possibly Through Induction of Specific Cytokines in a Paracrine Mechanism<sup>¶</sup> Photochemistry and Photobiology · 2005 · 3 citations
    23. Ultraviolet-Induced Fluorescence and Sub-Ultraviolet Reflectance Dermatoscopy of Grover’s Disease (Transient Acantholytic Dermatosis): a Retrospective Single-Center Cohort Study Dermatology Practical & Conceptual · 2025
    24. Ultraviolet-Enhanced Trichoscopy—A New Tool to Assess Pili Annulati Dermatology Practical & Conceptual · 2025
    25. Androgenic Alopecia and Stress-Induced Premature Senescence by Cumulative Ultraviolet Light Exposure Exogenous Dermatology · 2002 · 27 citations
    26. Genetic deletion of TNFα inhibits ultraviolet radiation-induced development of cutaneous squamous cell carcinomas in PKCε transgenic mice via inhibition of cell survival signals Carcinogenesis · 2015 · 11 citations
    27. Production of ultraviolet-light-induced skin erythema in the hairless rat: a comparison with the haired rat in screening for anti-inflammatory drugs Laboratory animals · 1979 · 3 citations
    28. Diagnostic Accuracy of Polarized and Ultraviolet Fluorescence-Induced Dermoscopy in Scarring and Nonscarring Alopecias: a Retrospective Observational Multicentric Study Dermatology and Therapy · 2025 · 2 citations
    29. Photoprotective Effects of Caffeic Acid against Ultraviolet-induced Damages on Human Follicle Dermal Papilla Cells Asian Journal of Beauty and Cosmetology · 2017 · 2 citations
    30. Protective potential of vitamin E and gamma-oryzanol composition against ultraviolet rays-induced scalp hair damage Archives of Dermatological Research · 2026