Physical Treatments and Therapies for Androgenetic Alopecia

This review discusses various physical therapies for androgenetic alopecia, reporting that low-level laser therapy has the most evidence but highlighting other promising treatments, such as non-ablative lasers and multimodal approaches, that warrant further investigation.

This review discusses laser and energy-assisted drug delivery as a treatment for alopecia and concludes that although all studies show positive effects, some reports indicate no superiority over existing monotherapies.

Fractionated laser therapy, especially erbium-glass laser, effectively increases hair thickness in people with hair loss but doesn't increase the number of hairs.

In this study, combining photobiomodulation therapy and pulsed electromagnetic field therapy over 24 weeks significantly increased hair density in androgenetic alopecia patients compared to a sham device control, with minimal side effects reported.

This study found no significant difference in the overall effectiveness of fractional CO2 laser plus triamcinolone acetonide versus microneedling plus the same treatment for resistant alopecia areata, though initial hair regrowth appeared more frequently in the laser group.

This review discusses treatment options for androgenetic alopecia, highlighting the need for personalized, evidence-based approaches but reports no new clinical results.

This study demonstrated that a new technology combining microneedle patches, stem cell exosomes, and light therapy effectively promoted hair regrowth in animal models within 7 days compared to conventional treatments.

This systematic review found that low-level light/laser therapy showed a positive effect in treating male and female pattern hair loss without side effects, as reported by all analyzed randomized controlled trials.

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 review suggested that low-level light therapy using red/near-infrared light could be a safe and effective treatment for various skin and hair conditions, though more robust trials are needed to solidify its clinical utility.

This review suggests that low-level light therapy can promote hair growth in patients with androgenetic alopecia, but more research is needed to standardize treatment parameters and assess long-term safety and efficacy.

This review discusses recent genetic findings on hormonal signaling pathways in androgenetic alopecia, reporting no new study results but highlighting the need for further investigation.

LLLT is a safe, promising hair loss treatment, but more research needed.

This study reviewed clinical trials and found that low-level laser therapy significantly increased hair diameter or density in both men and women with pattern hair loss compared to a sham device, though the involvement of industry relationships in some studies suggests cautious interpretation.

This review discusses photobiomodulation therapy for different types of alopecia and reports no new clinical results; the authors highlight potential mechanisms and future perspectives.

This review discusses the pharmacology, mechanism of action, clinical efficacy, and adverse events of topical minoxidil for hair loss but reports no new clinical findings.

This literature review suggests that fractional laser therapies may positively impact hair regrowth in androgenic alopecia, though current evidence is mostly limited to small studies and case reports, highlighting a need for more comprehensive randomized controlled trials to confirm their efficacy and safety.

This study found that exposure to 50 Hz electromagnetic fields enhanced hair regrowth in mice by increasing stem cell proliferation and keratinocyte growth factor expression, suggesting potential benefits for hair loss treatment.

This review found that low-level laser therapy significantly increased hair density in adults with androgenic alopecia compared to sham treatments, with greater effects observed at lower treatment frequencies.

This study reports that while topical minoxidil treatment showed a response in less than 40% of men after 24 weeks, oral finasteride stopped hair loss in over 80% of patients at 12 months; perceived sexual side effects of the latter may limit its use.

In this randomized, double-blind trial, researchers observed that low-level laser therapy led to significantly greater hair regrowth on treated areas compared to a sham treatment in patients with androgenetic alopecia over 24 weeks, suggesting it as a potentially effective and safe option.

This study found that combining microneedling with topical minoxidil was more effective than minoxidil alone in increasing hair count and improving patient satisfaction for men with androgenetic alopecia, though the cosmetic impact was not significant.

This study found that combining microneedle treatments with 5% minoxidil topical solution led to the greatest increase in hair density among Chinese men with androgenetic alopecia.

This study found that combining low-level light therapy with topical minoxidil 5% may lead to better hair regrowth and patient satisfaction in treating female pattern hair loss compared to using each treatment alone.

This review examines recent advances in understanding the pathophysiology and molecular mechanisms of androgenetic alopecia, highlighting two major genetic risk loci, but does not report new clinical findings.

In this study, patients with androgenetic alopecia showed significantly decreased antioxidant activity and increased oxidative stress markers, suggesting a role for oxidative stress in the condition.

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.

This study found that low-level laser therapy may improve hair growth in patients with androgenetic alopecia, either as a standalone treatment or combined with minoxidil or finasteride, without reported adverse reactions.

This study found that low level laser therapy at 655 nm significantly increased hair counts in males with androgenetic alopecia.

This study found that low-level light therapy significantly increased hair density and diameter in androgenetic alopecia patients compared to a sham device, suggesting it could be an effective treatment option.

This study found that non-ablative and/or ablative fractional lasers promoted hair growth in patients with certain uncommon hair disorders, though effectiveness varied among different conditions.

This study found that adding microneedling to minoxidil treatment significantly improved hair growth in men with androgenetic alopecia compared to minoxidil alone across all assessed measures.

This review describes minoxidil's hair regrowth mechanism and discusses dermatological applications, but reports no new clinical results, emphasizing the need for regular use and addressing allergic reactions.

This study found that treatment with a 1550 nm fractional erbium–glass laser increased hair density and thickness in women with female pattern hair loss, suggesting it may be an effective and safe option.

In this study, low-level laser therapy showed no statistically significant improvements in hair growth measures, despite some patients experiencing increases in terminal hairs and shaft diameter.

Red and infrared light therapy improves hair growth in balding patients.

This article reviews the historical developments in understanding and treating male pattern hair loss, emphasizing the role of dihydrotestosterone and 5α-reductase inhibitors, but reports no new clinical findings.

This study suggests that stress negatively affects hair growth by inducing inflammation and early hair cycle transitions in mice, which might inform strategies for managing stress-related hair loss in humans.

This study found that low level laser therapy with a HairMax LaserComb improved hair counts and tensile strength in patients with androgenetic alopecia, particularly in males and vertex areas.

FPHL affects hair density and diameter, causing visible hair loss in older women.

In this controlled study, a pulsed electrical field treatment significantly increased hair regrowth compared to baseline and the control group over 36 weeks, without observed side effects.