April 2024 in “Lasers in medical science” This study found that near-infrared LED therapy enhanced ATP synthesis, reduced reactive oxygen species, and promoted collagen production and hair growth more effectively than white LEDs in human skin cells and a photoaging mouse model.
1 citations
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October 2023 in “Skin Research and Technology” In this study, researchers found that while sunscreens added to hair products do not provide expected protection, the dark hair absorbs the most radiation across all wavelengths, indicating a need for enhanced protection.
6 citations
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May 2025 in “Cosmetics” This review synthesizes research on solar radiation's multifaceted effects on skin and recent advancements in sunscreen technology, including formulation, testing methods, and the use of AI, to inform future sun protection product development.
September 2017 in “Journal of Investigative Dermatology” This study found that stabilizing HIF1A in balding hair follicle cells shifted their metabolism towards glycolysis, reducing oxidative stress and potentially promoting hair growth.
1057 citations
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November 2011 in “Annals of Biomedical Engineering” This review discusses the applications of low level laser therapy (LLLT) in wound healing, pain reduction, and treating various conditions, but reports no new clinical results; the authors highlight the need for randomized controlled trials for serious diseases.