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This review highlights advancements in hair laser removal technologies, which achieve approximately 75% hair reduction in light-skinned individuals, noting the long-pulsed Nd:YAG laser as safest for dark-skinned patients, but reports no new results.

This study explored the effects of a new narrow-band red LED light on hair growth in mice, showing potential benefits compared to existing laser therapies.

In this study, 675 nm laser treatment significantly improved hair density and reduced miniaturization in both male and female patients with alopecia androgenetica, showing promising results without side effects after 10 sessions.

In this study, 308-nm excimer light therapy showed significant effects in some patients with treatment-resistant alopecia universalis, suggesting it as a potential alternative therapy.

This study found that low-level pulsed wave red light stimulated collagen and ATP production in human fibroblasts with significantly shorter treatment time than continuous wave light, suggesting enhanced consumer compliance for skin treatments.

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.

This study found that NB-002 demonstrated clear antifungal activity and clinically significant nail clearing in subjects with distal subungual onychomycosis and ≤50% nail involvement, compared to a vehicle treatment.

In this study, treatment of unwanted hair with 755 nm alexandrite laser in 14 patients showed a decrease in excess hair at the armpit and thigh areas, with a 75% accuracy rate in hair density estimation using Monte Carlo modeling.

In this study, researchers developed a wearable red and blue LED patch and a sprayable fibrin gel to treat infected wounds at home, demonstrating effective infection control and enhanced wound healing in diabetic mice and minipigs.

In this study, red-light irradiation significantly increased hair follicle numbers and ATP levels in a mouse model, highlighting low-level laser therapy's potential to enhance hair regeneration and alter the skin metabolic microenvironment.

This study found that the 2,940 nm erbium: YAG laser may promote hair growth in C57BL/6 mice by speeding up transitions in the hair cycle and increasing hair follicle numbers.

This study analyzed clinical and histological reports and concluded that blue light therapy is safe for human skin, with potential photoprotective effects against UV irradiation due to its impact on skin pigmentation mediated by Opsin-3.

This study observed that 675-nm diode laser therapy may serve as a safe and possibly effective adjuvant treatment for telogen effluvium, showing improvements in hair pull test results, pruritus, and trichodynia among patients. However, controlled studies are needed to confirm its efficacy.

This abstract contains no research results; it provides information about the JAMA Dermatology journal and its access options.

This study found that red light accelerated the transition from the resting to growth phase in hair follicles faster than green and blue light in mice, suggesting it may stimulate hair growth.

In this study, using a 1064 nm picosecond Nd:YAG laser effectively removed undesirable scalp micropigmentation in four patients within 1–3 treatment sessions, with no unexpected adverse events reported.

In this study, a novel portable LED device significantly accelerated wound healing in rats, with faster wound closure, increased collagen deposition, and more microvessels at a higher radiation intensity, suggesting its potential for innovative wound management.

This study investigated the anti-inflammatory effects of a 940nm diode laser in Wistar rats with carrageenan-induced arthritis and found that a 74J/cm² energy density significantly reduced edema and restored function, whereas 171J/cm² neared thermal exposure limits for the skin.

This study evaluated 308 nm excimer light therapy for alopecia areata but the abstract does not provide specific clinical results or conclusions.

Among participants in a 26-week trial, this study by REVIAN Inc. reported that their REVIAN RED dual wavelength LED light treatment for androgenetic alopecia was both safe and effective at the 16-week mark.

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 introduced a novel microscopy system using an Er3 + −doped femtosecond fiber laser, achieving detailed imaging of biological structures in plant and skin samples with improved spatial resolution for various applications, including in vivo imaging.

In this study, both excimer light and low level light therapy were found to be safe and effective for treating alopecia areata, with excimer light showing better and more sustained improvement.

This study evaluated the effectiveness of a 675 nm laser device on facial acne scars in patients with darker skin types, finding that 67% reported excellent improvement and 33% reported good improvement, with significant enhancements in skin texture and appearance after five treatments.

This case study reports that treating a female patient with facial partial unilateral lentiginosis using a 532-nm Nd:YAG fractional picosecond laser resulted in significant improvement in pigmentation without notable side effects, indicating it may be an effective and well-tolerated treatment option.

This study found that the long-pulse Nd:YAG laser effectively reduces unwanted facial hair across various skin types, with hair regrowth delayed significantly longer than with self-applied methods.

In this study, both red and blue light phototherapy were found to increase hair density, reduce the central parting, and boost the number of terminal hairs in individuals with Androgenetic Alopecia, over 12 weeks of treatment.

This study suggests that low-dose blue light (453nm) may positively affect hair growth by interacting with the receptors CRY1 and OPN3 in hair follicle cells.

This study demonstrated that a single multimode fiber can be used for single-shot wide-field reflectance imaging, achieving high correlation with the ground truth and enabling real-time microendoscopy at up to 180 frames per second.

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.