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    Glossary Blue Light

    high-energy visible light with wavelengths of 400-495 nanometers

    Blue light is a high-energy visible (HEV) light with wavelengths between approximately 400-495 nanometers. It is emitted by natural sources like the sun and artificial sources such as digital screens and LED lighting. Prolonged exposure to blue light can affect circadian rhythms and potentially contribute to digital eye strain, while also being studied for its effects on skin and hair health.

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    1. Blue Light in Dermatology Life · 2021 · 23 citations
    2. Blue light-emitting diodes in hair regrowth: the first prospective study Lasers in Medical Science · 2021 · 23 citations
    3. Highlighting nuances of blue light phototherapy: Mechanisms and safety considerations Journal of Biophotonics · 2022 · 10 citations
    4. Strengthening the cellular function of dermal fibroblasts and dermal papilla cells using nanovesicles extracted from stem cells using blue light-based photobiomodulation technology Biomaterials Science · 2025 · 3 citations
    5. The effect of blue light on the scalp and hair follicles Aesthetic Cosmetology and Medicine · 2025
    6. Blue Light Therapy in Dermatological Practice: A Review Cosmetics · 2025
    7. Illuminating microflora: shedding light on the potential of blue light to modulate the cutaneous microbiome Frontiers in cellular and infection microbiology · 2024
    8. 1369 Blue light stimulatory effect on hair growth mediated by opsin and cryptochrome photoreceptors 2018
    9. 253 Opsins and Cryptochrome photoreceptors mediate blue light stimulatory effect on hair growth Journal of Investigative Dermatology · 2017
    10. Influence of Extended Photoperiod Using Blue Light Masks on Hypertrichosis, Coat Condition and General Health Parameters in Horses with Pituitary Pars Intermedia Dysfunction Animals · 2025
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    Community 1 of 27

    1. Anyone lose hair on selenium sulfide? (Selsun Blue) Reddit · 27 Oct 2025
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