March 2024 in “Medical lasers” Multiple-wavelength radiation helps hair grow by boosting early hair follicle development.
May 2022 in “Голова и шея.” In this pilot study, researchers observed that low-intensity laser radiation at 445±40 nm increased the temperature of gingival tissues in Wistar rats by 8.37°C without exceeding the safety threshold, suggesting potential for clinical trials.
2 citations
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March 2025 in “PNAS Nexus” In this study, researchers used Raman spectroscopy to identify melanin-specific features in mouse hair as potential biomarkers for gamma-radiation exposure, achieving a sensitivity of 88% and specificity of 83%, with classification accuracy declining over time beyond 7 days post-irradiation.
66 citations
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September 2005 in “Photochemical & photobiological sciences” This review discusses the current understanding of hair photodamage and photodegradation and reports no new findings; it highlights unresolved questions about radiation effects and melanin's role in different hair types.
January 2015 in “Dermatology Review” This study found that LED light therapy may stimulate skin regeneration and wound healing, with various wavelengths affecting fibroblast proliferation, collagen synthesis, and hair growth in experimental settings.