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    Did you mean Wavelength?
    Glossary Wavelength

    distance between consecutive peaks or troughs in a wave

    Wavelength is the distance between two consecutive peaks or troughs in a wave, such as light or sound. In the context of hair and biology, understanding the wavelength of light is crucial for treatments like laser therapy, which can target specific wavelengths to stimulate hair growth or treat conditions like alopecia.

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    Research 10 of 1000+

    1. Evaluation of wavelength-dependent hair growth effects on low-level laser therapy: an experimental animal study Lasers in Medical Science · 2015 · 15 citations
    2. Wavelength-encoded laser particles for massively-multiplexed cell tagging bioRxiv (Cold Spring Harbor Laboratory) · 2018 · 10 citations
    3. Treatment of hair loss with an LED device: the importance of the wave length American Journal of Medical and Clinical Research & Reviews · 2026
    4. Various Wavelengths of Light-Emitting Diode Light Regulate the Proliferation of Human Dermal Papilla Cells and Hair Follicles via Wnt/β-Catenin and the Extracellular Signal-Regulated Kinase Pathways Annals of Dermatology · 2017 · 33 citations
    5. The Versatile Applications of Triple‐Wavelength Diode Laser (810, 940, and 1060 nm) in Aesthetic Treatments, Follicular Disorders, and Chronic Inflammatory Conditions in the Asian Population: Case Report Collection Journal of Cosmetic Dermatology · 2025 · 4 citations
    6. Enhanced Hair Regrowth Through Dual‐Wavelength Low‐Level Laser Therapy: A Comparative Study on Mice Journal of Biophotonics · 2025
    7. Dual Wavelength LEDs Induce Reactive Oxygen Species and Nitric Oxide That Inhibit the Production of Dihydrotestosterone by 5‐α Reductase Journal of Biophotonics · 2024
    8. The use of phototherapy with different wavelengths in the treatment of Androgenetic Alopecia Brazilian Journal of Hair Health · 2024
    9. Intracavity wavelength modulation of an optical parametric oscillator for coherent Raman microscopy Optics express · 2009 · 35 citations
    10. Treatment of Erythromelanosis Follicularis Faciei et Colli Using a Dual-Wavelength Laser System: A Split-Face Treatment Dermatologic surgery · 2010 · 11 citations
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    Community 5

    1. New Light Therapy Can Suppress a Key Marker of Hair Loss by 92% Reddit · 7 Apr 2026
    2. I just got one of these. Let's see how it goes... Reddit · 10 Mar 2026
    3. Korean Laser Helmet has a 44% increase in hair growth vs 0% growth in placebo in a double-blinded randomized controlled clinical trial. Reddit · 5 Oct 2025
    4. How does low level laser therapy? Reddit · 4 Apr 2025
    5. Red light therapy that works well Reddit · 8 Aug 2025

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