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This study found that males have significantly longer hair on their thighs compared to females, mainly due to a longer anagen phase and a greater rate of growth.

This study found that long-term finasteride treatment in men with androgenetic alopecia significantly increased hair weight and count compared to placebo over nearly four years.

In this study, finasteride, 1 mg daily, significantly increased hair weight more than hair count in men with androgenetic alopecia, indicating additional factors like hair growth rate and thickness may contribute to its effectiveness.

This study found that overexpression of Wnt1a in bone marrow mesenchymal stem cells enhanced mouse hair follicle regeneration and promoted hair cycling.

This study analyzed changes in hair diameter and density with age in Caucasian women, highlighting variations in perception of hair amount over time.

This study demonstrates that c-MYC overexpression in sebaceous glands affects differentiation via a regulatory axis involving the androgen receptor and p53, influencing carcinoma formation outcomes.

This review examines the potential of nanoparticles for localized drug delivery via hair follicles but reports no new clinical results, with the authors noting a lack of commercial development despite research progress.

This study observed that certain hair care practices, such as wearing cornrows and using hair extensions, were strongly associated with the development of traction alopecia and seborrheic dermatitis in African American girls.

This article reviews current knowledge on the causes, diagnosis, and medical treatments for androgenetic alopecia, particularly in men, and reports no new findings.

This study found that daily use of 1% pyrithione zinc shampoo modestly improved hair growth over 26 weeks, although these effects were less than those of 5% minoxidil.

This study reported that Malassezia-associated dermatitis can cause pruritus in cats with feline paraneoplastic alopecia.

This review discusses feline dermatophytosis and emphasizes the importance of early detection and appropriate treatment, but it reports no new clinical results.

This study found that prolactin plays a direct role in regulating the timing of hair growth cycles in mice by affecting the skin, rather than through other endocrine factors.

This article proposes two new categories of cicatricial alopecia—“unstable” and “stable”—and suggests surgical excision as preferred over hair transplantation, especially for unstable cases.

This study identified the location of the genetic locus for the slick hair coat trait in cattle on bovine chromosome 20, which may contribute to heat tolerance.

This review discusses various techniques for evaluating hair shedding and alopecia but reports no new clinical results. The authors emphasize the value of specific clinical and instrumental methods in assessing hair growth.

This study found that twice-daily application of 3% topical minoxidil maintained a higher nonvellus hair count compared to once-daily application over 2 years and 9 months in men with male pattern baldness.

In this study, BLIMP1 was found to function in terminally differentiated epidermal cells to maintain homeostasis, rather than defining a sebocyte progenitor population.

This review discusses the role of estrogens in hair follicle cycling and the skin, highlighting the need for more research on estrogen signaling pathways and their interactions with other factors in hair biology.

Artificially inducing hair regrowth in mice can change the normal pattern and timing of hair growth, with minimal color differences between old and new fur.

This study suggests that artificial sebum L may serve as an effective substitute for human sebum in drug transport studies, due to its similar physicochemical properties.

This article reviews mechanisms by which herbal ingredients may stimulate or inhibit hair growth, and it reports no new clinical findings while suggesting potential for developing hair loss treatments.

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.

This article discusses how drug molecules integrate into hair fibers, focusing on biological transport mechanisms and physicochemical factors, but reports no new experimental findings.

The study found that melatonin treatment in early postnatal cashmere goats increased both the quantity and quality of cashmere by promoting secondary hair follicle development and enhancing antioxidant enzyme activities.

This study found that finasteride at 1 mg/day was the most effective dose for treating male pattern hair loss, with similar efficacy to 5 mg/day and better results than lower doses.

This study identified hair shaft progenitors in the matrix that regulate hair growth and pigmentation by creating a niche dependent on stem cell factor, implicating KROX20+ cells in these processes.

This article explains why modern hair transplant techniques can be effective for women with pattern hair loss, despite this being underrecognized.

This study suggests that mesenchymal stem cell-induced dermal papilla-like tissues can generate new hair follicles in mice, indicating potential for developing hair cell therapy using stem cells.

This review evaluates hair growth measurement methods for human scalp hair, suggesting that combining highly resolutive analytical approaches with global calibrated methods is recommended for assessing hair changes in clinical settings.