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Trichoscopy is a helpful and quick method to diagnose hair loss without shaving.

In this study, the authors found that applying hypobaric pressure to the skin significantly increases the transdermal permeation of large molecules by enhancing diffusion, despite the associated skin stretching and hair follicle enlargement not fully explaining this effect.

In this study, female pattern hair loss in Chinese Han patients was characterized by decreased hair density and shaft diameter, with minor gender differences and the vertex most affected.

This study identified significant differences in medullary structure, hair length, and root diameter among dorsal guard hairs of red foxes, golden jackals, and gray wolves in Turkey.

New method, hair distribution width (HDW), improves accuracy in diagnosing androgenetic alopecia (AGA).

Normal hair thickness varies by scalp area and a mix of hair thicknesses is typical in healthy individuals.

This study found that cysteine and arginine are crucial for hair growth in hair follicles, with cysteine affecting hair fibre diameter and arginine involved in protein incorporation and energy metabolism.

This study found that autologous non-activated platelet-rich plasma (A-PRP) was effective and safe for treating androgenetic alopecia, showing long-term improvement in hair density, thickness, and count.

This study developed a geometric framework for estimating safe donor harvesting in hair transplants, showing that individual hair characteristics like caliber and length significantly affect donor capacity.

In this prospective study, combining photodynamic therapy with PRP therapy significantly improved hair growth, quality of hair, and quality of life in women with acute telogen effluvium, compared to using each therapy alone.

This observational study found that a high-dose biotin regimen of 10,000 mcg/day reduced hair loss and improved hair and scalp conditions in female patients with androgenic alopecia, with effects lasting beyond treatment discontinuation, warranting further investigation into biotin's role in combination therapy.

This study found that combining needle-free intradermal minoxidil delivery with standard topical minoxidil therapy improved early hair growth parameters and satisfaction in women with early-stage female pattern hair loss compared to topical therapy alone, with no serious adverse events reported over the 10-week period.

This pilot study found that intradermal 10% glucose combined with non-cross-linked hyaluronic acid improved hair density and diameter more than hyaluronic acid alone in adults with androgenetic alopecia, with no serious adverse events.

This study found that combining platelet-rich plasma with topical minoxidil improved hair density and patient satisfaction in androgenetic alopecia patients more than minoxidil alone, with no serious adverse events reported.

This study found that trichoscopic parameters in male androgenetic alopecia deteriorated progressively with increasing disease severity and were significantly linked to genetic, metabolic, and psychosocial factors.

This study evaluated salmon-derived exosomes combined with microneedling as a treatment for androgenetic alopecia, reporting significant improvements in hair density, follicular health, and scalp microenvironment, with no serious adverse events observed in the 20 patients after 12 weeks.

This study investigated the effectiveness of combining microneedling with 2% topical minoxidil in women with mild-to-moderate androgenetic alopecia and found that adding microneedling every 2 or 4 weeks did not enhance outcomes compared to using minoxidil alone over 24 weeks.

This study found trichoscopy to be a reliable non-invasive method for diagnosing various forms of alopecia, aiding in clinical management and reducing the need for biopsies in a hospital-based setting with 90 patients, including those with uncertain diagnoses.

This study reported that two male patients with diffuse unpatterned alopecia exhibited donor-area involvement in both the vertex and occiput, challenging the assumption of occipital stability for hair transplantation, and showed partial improvement following treatment with oral finasteride and topical minoxidil.

In a rat model, this study observed that applying high-concentration (100%) P. europaea root extract topically significantly enhanced hair growth by increasing the number of hair follicles, hair shaft diameter, and hair length compared to controls, suggesting its potential as a treatment for alopecia.

In this randomized trial, bicalutamide was found to improve hair count and shaft diameter more than spironolactone in women with Female Pattern Hair Loss over 24 weeks, although no significant differences were observed in clinical endpoints between the two treatments.

This study found that oral minoxidil was associated with short-term improvements in clinical severity for androgenetic alopecia, whereas oral dutasteride did not show significant early clinical changes in the six-month follow-up.

In this study, microneedle-assisted delivery of polyglutamate significantly improved hair parameters, scalp symptoms, and quality of life in androgenetic alopecia patients, with no serious adverse reactions reported.

This study found that specific genetic variations in the IRF2BP2 gene influence fleece structure in sheep, with one variant completely determining coat type and another significantly modifying fiber characteristics, providing valuable insights for improving fleece quality through selective breeding.

This review discusses methods to better identify unsafe donor areas in patients with diffuse unpatterned alopecia, emphasizing non-surgical management when specific diagnostic criteria are met, but reports no new clinical results.

This study found that trichoscopy is highly effective for diagnosing different types of alopecia, showing an average diagnostic accuracy of 90–95%, with specific features aiding in differentiating forms like androgenetic alopecia and alopecia areata. New technologies and AI improve interpretation objectivity, suggesting expanded clinical integration.

This study found that Trichoscope can effectively reveal clinical features of alopecia areata and androgenic alopecia, making it a useful tool for diagnosis and monitoring.

This study operationalizes a four-step workflow for selecting donor hair for capsule extensions, translating surgical trichology insights into an extension-specific protocol to enhance natural hair optics and biomechanics, suitable for premium extension services.

This study observed that adults with thinning hair who ingested a patented botanical-based supplement experienced significant increases in hair shaft diameter and reductions in hair breakage over 180 days, suggesting improved hair strength and length across various demographic groups.

In this study, personalized PRP therapy significantly increased hair density and diameter in a patient with androgenetic alopecia, highlighting its potential benefit but emphasizing the need for broader clinical trials.