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This study found that finasteride increases anagen hair growth in men with androgenetic alopecia.

This article reviews the potential impact of melatonin on hair growth, noting its benefits observed in animals, but reports no clinical results in humans to date.

This study found that a dietary supplement containing L-cystine, medicinal yeast, and pantothenic acid significantly improved hair growth in women with telogen effluvium over six months compared to placebo.

The authors concluded that some patients clinically diagnosed with telogen effluvium may actually have alopecia areata incognita, suggested by the presence of dystrophic hairs and development of alopecia patches.

In this study, rice bran mineral extract increased expression of anagen-related proteins and decreased inflammatory markers in human dermal papilla cells, suggesting potential for hair growth enhancement and prevention of hair loss.

This study found that exposure to extremely low-frequency electromagnetic fields at specific intensities significantly enhanced human hair follicle cell activation and proliferation, suggesting a potential new treatment approach for alopecia.

A botanical lotion can increase scalp collagen and extend hair growth phase, potentially improving hair thinning issues.

This study found that 0.75% adenosine lotion significantly improved hair growth and thickness in Japanese women with female pattern hair loss compared to a placebo.

This study found that ephrin-A3 accelerates hair follicle development and increases hair follicle density in neonatal mice, suggesting its involvement in hair growth regulation.

In this study, using Trichosol™ with Minoxidil (3%) increased the percentage of hair in the anagen growth phase by about 20% over 90 days compared to using Minoxidil alone.

In this study, adenosine was found to stimulate hair follicle growth in vitro by promoting growth factor expression, β-catenin activation, and downstream signaling pathways.

In this study, a topical formulation with compounds from the monoterpenoid family significantly improved hair growth indicators like anagen:telogen ratio, hair fall, and visual hair density in men and women with pattern hair loss.

This study found that a novel drinkable supplement significantly increased hair density and reduced hair shedding over six months in women with telogen effluvium, although the authors emphasize the need for larger, placebo-controlled trials to confirm these promising results.

The researchers found that HOXC13 regulates different keratin proteins in a mixed manner, with certain SNPs impeding this regulation, while also demonstrating negative-feedback by HOXC13 and positive regulation by LEF1 and melatonin on the HOXC13 promoter.

In their research, Yucel and colleagues found that CaV1.2 is expressed in hair follicle stem cells, facilitating anagen re-entry in a way not dependent on calcium flux.

This report presents evidence that alopecia areata incognita may be a possible mechanism of hair loss in patients with Cronkhite–Canada syndrome.

This article proposes a hypothesis for alopecia areata hair loss patterns and provides epidemiological evidence supporting distinct hair loss characteristics between general cases and those with androgenetic alopecia; it presents no new clinical results.

This study reported that heat treatment significantly increased the incidence of alopecia areata in C3H/HeJ mice, suggesting a role for induced HSPA1A/B expression in disease development.

This study found that cyclosporine A's enhancement of hair growth in mice is partly due to its ability to block the nuclear translocation of apoptosis-inducing factor, slowing the hair follicle transition to the catagen phase.

In this study, constitutive expression of Del1 in mice did not affect wound healing but was associated with increased hair growth following anagen induction.

This study developed a mouse model to mimic PHGDH gene copy number gain, finding that increased PHGDH expression leads to abnormal melanin production, which may offer insights into its role in melanoma.

In this study, a nanoparticle system codelivering diphenylcyclopropenone and rapamycin successfully induced immune tolerance and promoted hair regrowth in a mouse model of alopecia areata, offering a promising new therapeutic strategy for this autoimmune condition.

This study reports that trichoscopy and histopathology can effectively diagnose alopecia areata incognito and differentiate it from telogen effluvium or androgenetic alopecia, aiding clinicians in better hair regrowth management.

This study found that increased PHGDH expression in mice led to earlier melanin and melanocyte presence in hair follicles but did not induce cancer.

The authors concluded that chronic telogen effluvium in middle-aged women presents distinct clinical and histological features that differ from androgenetic alopecia and acute telogen effluvium.

This report describes three cases of LC-associated amyloidosis presenting with alopecia, highlighting its potential mimicry of androgenetic alopecia or alopecia areata without systemic amyloidosis.

Topical tretinoin may increase beard hair density.

This study demonstrated that exposing hair follicle organ cultures to extremely low-frequency electromagnetic fields at 10 G intensity for 60 minutes promoted hair growth, suggesting its potential as a treatment for hair loss.

In this study, PDLLA treatment in middle-aged mice was observed to enhance hair growth by increasing macrophage M2 polarization and hair follicle stem cell proliferation, potentially rejuvenating the skin's microenvironment and offering a novel approach for age-related hair loss.

This study suggests that icariin promotes hair follicle growth in mice by enhancing IGF-1 expression in dermal papilla cells.