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This review discusses the potential mechanisms and evidence supporting low-level laser therapy for stimulating hair growth in men and women, while noting its safety and effectiveness but needing further study on specific parameters.

This study reported that four patients with lichen planopilaris showed dramatic improvement, including symptom reduction and hair regrowth, after treatment with low-level light therapy.

This study reviews recent advancements in near-infrared organic light-emitting diode (NIR OLED) technologies, focusing on their applications and the diverse luminescent materials used in their emissive layers.

This narrative review discusses the promising role of photobiomodulation in dermatology, emphasizing its non-invasive nature and potential benefits, but acknowledges the need for further research to establish standard protocols.

In this study, blue light therapy at a specific wavelength increased hair density and shaft width in 90% of patients with androgenetic alopecia after 10 weeks.

This article reviews the use of light-based technologies for hair removal, detailing different laser systems and treatment protocols, but reports no new clinical results.

This study examines the effects of excessive or prolonged exposure to blue light on retinal function and highlights its potential health implications, noting that both photoreceptor and intrinsically photosensitive retinal ganglion cells (ipRGCs) are particularly sensitive to blue wavelengths.

This article discusses the factors involved in optimizing laser hair removal, emphasizing patient selection, laser safety, and understanding laser–tissue interactions, but presents no new clinical findings.

This review discusses cases and research on paradoxical hair growth after laser hair removal and explores laser and light therapies for treating alopecia, but reports no new results.

This abstract describes the use of lasers in hair transplantation for creating recipient sites and enhancing hair growth but reports no new findings.

This review discusses the current evidence and highlights gaps in research needed for the wider acceptance of low-level laser therapy as a treatment for hair loss; no new clinical results are provided.

Laser and light therapies can help regrow hair but need more research for best results.

This study concluded that laser hair removal using Alexandrite laser emitting red and infrared light appears safe and does not significantly affect the disease activity of Systemic lupus erythematosus.

This chapter provides an overview of skin physiology, aging effects, and how environmental factors like UV damage impact skin health, without presenting new research findings.

This article reviews the use of laser and light-based devices for hair removal, highlighting their effectiveness in significantly reducing hair growth in individuals with fair skin and dark hair, and suggests that photoepilation offers advantages over traditional hair removal methods.

This article discusses the advantages and different techniques of dermoscopy for skin lesion visualization and reviewing no new clinical results; it emphasizes the integration of polarized light and the importance of training.

This review discusses the current therapeutic options for female pattern hair loss and emphasizes the need for managing patient expectations of permanent regrowth, reporting no new clinical results.

This study reported that a new laser scanner using 655 nm red and 808 nm infrared lasers significantly improved hair density in patients with androgenic alopecia compared to both a laser hat and no treatment, without observable adverse effects.

This paper introduces an algorithm for using smart device-mounted microscopes to analyze scalp images and diagnose hair loss by extracting specific hair loss features.

Plants change their growth in response to shade based on light signals detected by phytochrome.

This review discusses the effects of low-level laser therapy in various biological processes for wound healing and tissue repair and reports no new results.

This study found that low-level laser therapy may enhance wound healing and reduce pain, swelling, and inflammation by increasing mitochondrial activity and oxidative stress, leading to greater protein synthesis and cell proliferation.

This article reviews recent trends and developments in dermoscopy, highlighting its expanding use beyond pigmented lesions, and reports no new clinical results.

The authors concluded that utilizing clock gene expression from hair follicle cells may improve circadian-phase estimation in clinical settings, aiding the detection of circadian-related sleep problems despite social time constraints.

This review discusses the state-of-the-art in photobiomodulation therapy for oral and dental applications and emphasizes the need for education, training, and addressing logistical issues for its routine use.

This review highlights the potential of transcranial photobiomodulation (tPBM) as a non-invasive and affordable treatment for brain diseases, summarizing recent advances and successful protocols based on over two decades of research.

This review article identifies a need for standardized guidelines in using photobiomodulation therapy for spinal cord injury repair, emphasizing that current inconsistencies in therapy parameters may hinder optimal outcomes and limit clinical trials.

This study introduced a new method for extracting red mordant dyes from wool fibers that preserved the fibers for further analysis and allowed for spectrophotometric examination of the dyes' absorption curves.

This review discusses the effects of visible light on human skin, highlighting its role in pigmentation, thermal damage, and the treatment of several skin conditions, while noting limited sunscreen protection against it; no new clinical results are reported.

This study found that LED light irradiation induced proliferation and migration of human outer root sheath cells, potentially through the stimulation of the Wnt/β-catenin and ERK signaling pathways.