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This study found that combining ablative fractional CO₂ laser therapy with hair growth factors significantly increased hair density in men with androgenetic alopecia compared to using growth factors alone.

Laser therapy helped new hair grow in scarred skin for three patients.

Laser hair removal might also work by damaging blood vessels around hair follicles.

This article reviews the biological and physical principles of laser hair removal and reports that current laser systems do not consistently achieve permanent hair follicle destruction across treated areas.

This study found that combining near-infrared laser phototherapy with indocyanine green application may improve acne vulgaris by reducing active lesions and inflammation without side effects.

This review discusses the multiple layers of environmental controls on hair stem cell homeostasis and suggests that targeting these layers could offer safer regenerative medicine therapies without directly using stem cells.

This study found that in vivo confocal scanning laser microscopy accurately quantifies neogenic hair follicles in mice, producing results similar to histology while avoiding fixation artifacts.

This article reviews the basics of hair follicle biology, laser/tissue interactions, and hirsutism and hypertrichosis causes, discussing the long-pulsed alexandrite laser's role in hair reduction without reporting new clinical results.

This study found that bio fabricated herbal silver nanoparticles from Blumea lacera extracts demonstrated significant antibacterial activity against Staphylococcus aureus and Escherichia coli, and notable anti-inflammatory effects, though their antioxidant capacity was insignificant compared to the extract.

This study observed that long-term laser hair removal in women may alter hair follicle structures and stem cell interactions, with dermal fibrosis potentially influencing hair regrowth prevention.

This study found that anagen-phase hair follicles in mice are particularly sensitive to damage by ruby laser pulses, resulting in alopecia without scarring, suggesting enhanced laser hair removal strategies.

This review details the advancements and benefits of fractional erbium:YAG resurfacing lasers for treating photoaging, acne scarring, and dyschromia, but it presents no new clinical results.

This review assesses low-level laser therapy in plastic surgery and reports that it may improve flap survival and burn scars, but lacks efficacy for venous ulcers, alopecia, and skin aging.

This review discusses the use of laser and intense light sources for hair removal and reports no new clinical results; the authors highlight the potential for aesthetic medicine to include these technologies.

This review discusses various applications of low level laser therapy and argues for a holistic evaluation of patients but reports no new clinical findings.

This study evaluated an 808-nm diode laser at different fluences for permanent axillary hair removal in Korean women and found that high-fluence treatment (14 J/cm2) effectively reduced hair density and thickness, with no significant difference in comfort compared to lower fluences.

This review discusses the factors affecting laser hair removal results and adverse events, emphasizing the need for more research to determine optimal treatment parameters; it reports no new clinical findings.

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 found that using layer-by-layer encapsulation techniques on dermal papilla cells can support their function and may help treat hair loss when used in conjunction with freshly isolated epidermal cells.

This study suggests that leukocyte-platelet-rich fibrin membranes may aid postoperative healing in endoscopic skull base surgery, with some patients showing reduced crusting and low rates of cerebrospinal fluid leaks.

This review suggests that paradoxical hair growth after light-based treatments is unlikely due to the devices themselves; instead, it may be linked to other factors such as inflammation in individuals with certain conditions.

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 study found that the HairMax LaserComb® significantly increased hair density and was safe and well tolerated for treating androgenetic alopecia in men compared to a sham device.

This study found that low-level laser treatment with the HairMax Lasercomb significantly increased terminal hair density in both men and women with pattern hair loss, with no serious adverse events reported.

In this study, fractional laser treatment was observed to reverse age-related gene expression changes in skin and enhance dermal remodeling, further improved by multiple treatments.

This study found that low-level laser therapy increased the expression of proteins in dermal papilla tissues, suggesting it promotes hair growth in male androgenetic alopecia patients.

This study found that adding low-level laser therapy to conventional treatment for canine acral lick dermatitis significantly increased hair growth compared to conventional therapy alone, but did not significantly reduce licking behavior.

This study found that human hair follicles demonstrated a dose-dependent response to light in an ex vivo photoepilation model, which could predict the clinical efficacy and permanency of light-based hair removal devices.

This study concluded that mesenchymal stem cells from adipose tissue harvested using laser-assisted liposuction with selective photo-stimulation are as effective and low-risk for cell therapy as those obtained through conventional liposuction, based on their differentiation potential, cellular proliferation, and cytokine expression.

The study found that adipose-derived mesenchymal stem cells obtained via laser-assisted liposuction with selective photo-stimulation are comparable in differentiation potential and tumorigenic risk to those from conventional liposuction for cell therapy applications.