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This study found that repeated microneedle stimulation in mice promoted hair growth and increased the expression of hair-growth-related genes, suggesting potential therapeutic uses for alopecia.

This review highlights the potential of ginseng and its metabolites in preventing hair loss, detailing their hair growth-promoting effects observed in numerous preclinical studies, and emphasizing the underlying mechanisms involved.

This study found that platelet-rich plasma injections significantly improved hair density, thickness, and patient satisfaction in women with female pattern hair loss compared to a placebo.

This study suggests that a 1,550-nm fractional erbium-glass laser may stimulate hair growth in both an alopecia mouse model and human subjects with male pattern hair loss, though further research is needed to determine its clinical applications.

This review discusses emerging treatments and mechanisms for alopecia, highlighting potential therapies like janus kinase inhibitors and advances in stem-cell technology, but reports no new experimental results.

In a 24-week randomized trial, this study found that the RAMACAP laser helmet significantly increased hair density and diameter in androgenetic alopecia patients compared to a sham device, although limitations included a small sample size and potential issues with the control used.

This study found that a topical solution combining 0.25% finasteride with 3% minoxidil significantly improved hair growth, as measured by hair density, diameter, and global assessment, in men with androgenetic alopecia, compared to 3% minoxidil alone, over 24 weeks without systemic adverse effects reported.

This study found that low-level laser therapy may significantly improve androgenic alopecia in both men and women, either alone or alongside treatments like minoxidil and finasteride.

This study found that a topical combination of 0.25% finasteride and 3% minoxidil may increase hair diameter more effectively than 3% minoxidil alone in postmenopausal women with female pattern hair loss.

Injecting platelet-rich plasma (PRP) can increase hair growth rate and density in male pattern baldness.

In this study, PRP increased hair density in areas treated for androgenetic alopecia, but there was no significant difference when compared to placebo-treated areas.

This study found that in the Thai population, hair density varies by scalp location and decreases with age, and that Asians generally have lower hair density compared to Caucasian and African populations.

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 significant differences in hair density, non-vellus hair diameter, and percentage of miniaturized hair between normal women and those with female pattern hair loss, particularly in the midscalp and parietal areas.

This study found that combining fractional erbium-glass laser therapy with topical minoxidil significantly improved hair density and diameter in men with androgenetic alopecia compared to using minoxidil alone over a 24-week period, with no serious adverse events reported.

Platelet-Rich Plasma (PRP) treatment may increase hair growth for genetic hair loss, but more research is needed to confirm this.

This review found that the current evidence on using platelet rich plasma to treat non-cicatricial alopecia, such as androgenetic alopecia and alopecia areata, is of low quality and yields controversial results.

This research review found that platelet-rich plasma treatment generally produced successful hair regrowth in both androgenetic alopecia and alopecia areata, despite study differences that limited direct statistical comparison.

This review found that while topical minoxidil is effective for treating female pattern hair loss, finasteride showed no more effectiveness than placebo, and low-level laser therapy increased hair count but with inconsistent results.

This study reported that Ell-Cranell® alpha 0.025% solution significantly increased hair counts and diameter in Korean women with female pattern hair loss over an 8-month period, showing both efficacy and safety.

This study found that combining micro-needling, low-level laser therapy, and autologous non-activated platelet-rich plasma increased hair density in patients with androgenic alopecia over the treatment period.

This study found that aging in Korean individuals is associated with changes in hair diameter and surface structure, as observed through atomic force microscopy.

This review found that despite varied levels of stigmatization reported in studies, hair loss generally leads to stigmatization and a reduced quality of life, but specific research on this stigma is limited.

This study found that 5% primed conditioned medium from human umbilical cord blood-derived mesenchymal stromal cells significantly improved hair density, thickness, and growth rate in patients with androgenetic alopecia.

In this study, applying FGF-2-containing dalteparin/protamine nanoparticles to the scalp was associated with a significant increase in hair diameter over six months among participants with thin hair.

This study found that PRP injections using the Eclipse system significantly improved hair density and caliber in women with androgenetic alopecia compared to saline placebo at 24 weeks.

In this study, researchers characterized the normal scalp hair properties in South Koreans, observing that hair density declined with age and varied across scalp sites, while hair thickness patterns remained relatively stable until later in life.

This systematic review and meta-analysis found that platelet-rich plasma treatments improved hair density and thickness in people with androgenetic alopecia, without serious adverse effects.

Minoxidil with Korean red ginseng improves hair density and thickness more than minoxidil alone.

In this study, topical EGCG significantly reduced testosterone-induced hair loss and follicular apoptosis in mice, without altering testosterone or dihydrotestosterone concentrations.