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This review explores low-level light therapy's potential as a noninvasive treatment for various forms of alopecia, noting its promising results in hair regrowth and density but highlighting the need for standardized protocols and further research.

This study observed that a combination of micro-needling and low-level light/laser therapy significantly increased hair density in patients with mild to moderate androgenic alopecia, showing an increase of 12 hairs/cm² after 16 weeks, compared to baseline.

This review discusses various topics from the 62nd Annual Montagna Symposium on the Biology of Skin, focusing on the diverse effects of light on skin biology, and reports no new clinical results.

This review found promising evidence for the efficacy of certain laser and light-based therapies in treating various forms of alopecia, such as low-level light therapy for androgenetic alopecia and excimer laser for alopecia areata, but emphasized the need for further understanding of these treatments.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

This narrative review explored how blue light therapy may offer therapeutic benefits for various skin disorders by affecting microbial activity and immune responses, promoting hair growth, and aiding skin rejuvenation and healing.

In this study, LED therapy for eyebrow loss in older females with frontal fibrosing alopecia significantly increased eyebrow hair count after 10 treatments and maintained improvement at 6 months, indicating it could be a promising and well-tolerated treatment option.

This study reported that using a Cutera Xeo laser with specific probes may help treat rosacea symptoms like diffuse facial erythema and telangiectasias, with some risks like bruises and hypopigmentation.

This study found that photobiomodulation via LED light at 630 nm and 810 nm increased proliferation and mineralization in osteoblast-like cells, with comparable effects between the two wavelengths.

This paper presents a new device for navigational surgery utilizing the fluorescent properties of Indocyanine Green, offering enhanced intra-operative imaging capabilities by identifying tissues with an infrared CMOS camera.

This study found that applying deer antler extract to rat skin wounds enhanced hair growth and increased IGF-I expression, suggesting potential use in hair growth products.

This review highlights recent advances in the use of light exposure for health purposes, examining its role in pathology, therapeutic strategies, and molecular changes, as well as discussing future developments in this globally supported field.

This clinical review evaluates current evidence on various adjunctive therapies for androgenetic alopecia, highlighting modest benefits for some interventions but emphasizing significant gaps and the need for rigorous, high-quality research to guide effective management strategies.

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.

This study found that fermented red ginseng marc alleviated atopic dermatitis-like symptoms in mice, demonstrating antioxidant and anti-inflammatory effects similar to those of dexamethasone.

This case report observed marked hair regrowth in a patient with refractory alopecia areata using a combination of platelet-rich plasma, low-level light therapy, and microneedling alongside topical and oral agents.

In this study, researchers developed a microfluidics-based method to generate hair follicle germs on a large scale for potential hair regeneration therapies, demonstrating efficient hair follicle regeneration following transplantation into mice.

In this in vitro study, red ginseng extract and its main ginsenoside, G-Rb1, were found to protect human hair follicular keratinocytes from oxidative damage, preventing apoptosis, promoting hair growth, and modulating hair cycle transitions by influencing specific cellular signaling pathways.

This study found that using an electrical microneedling device enhanced the penetration of liposomal melanin-fluorescein into hair structures and widened the follicular infundibulum in ex vivo human skin models.

This study systematically examines how smart biomaterials used with DLP technology can enhance bioprinting in tissue engineering and regenerative medicine, while also identifying current challenges and future research needs.

This study found that male androgenic alopecia patients using the X5 hair laser device showed a statistically significant increase in hair growth over a 26-week period.

The study concluded that the Exprecell™ device for preparing anticoagulant-free f-PRF increases volume yield and simplifies the process while maintaining biological activity comparable to conventional methods, suggesting potential clinical utility.

This study reports that a prototype device may accurately measure changes in hair quantity, diameter, and density in patients with balding by assessing the cross-sectional area of hair bundles.

In this clinical study, low-level laser therapy using the HANDI-DOME LASER device increased hair counts by 51% compared to controls, indicating its potential as a safe and effective treatment for androgenetic alopecia in women aged 18 to 60.

This protocol outlines a study aiming to determine if combining 660 nm red laser photobiomodulation and microneedling increases hair density in female pattern hair loss, but it reports no results yet.

This study observed that exposure to different wavelengths of light affects opsin and clock gene responses in skin cells, suggesting potential therapeutic approaches using photobiomodulation for dermatological conditions like psoriasis and wound healing.

In this review, recent advances in long-acting microneedle-based transdermal drug delivery systems are outlined, highlighting biodegradable polymers like PLA, PLGA, and PCL for sustained release and discussing challenges in clinical translation such as consistency in manufacturing and validating long-term efficacy and safety.

This review discusses the use of laser and flashlamp technology for unwanted hair removal and reports no new clinical results, highlighting challenges with light-colored hair and treatment safety for darker skin tones.

This study evaluated the use of low-level laser therapy for treating androgenic alopecia in adults, finding it a promising and safe at-home option for stimulating hair growth compared to sham devices, though further research is needed to confirm its clinical effectiveness.