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This study reported a case of a 34-year-old male developing allergic contact dermatitis to minoxidil solution, with positive patch test reactions attributed to the solution's ingredients, highlighting the potential for propylene glycol sensitivity.

This study found that minoxidil absorption through the skin increased with longer contact times, reaching over 75% of the maximum absorption within four hours.

This study found that loss of contact between the arrector pili muscle and the hair follicle bulge may explain why hair loss in male and female pattern baldness is largely irreversible, unlike in alopecia areata.

A man had an allergic reaction to minoxidil, which stopped after he discontinued use and started corticosteroids.

This case report details two women with female pattern hair loss who experienced severe scalp allergic contact dermatitis from minoxidil, one due to the active ingredient and the other due to the vehicle.

This study found that applying Hypericum perforatum methanol extract-containing gel to experimental burns in rats reduced collagen discoloration and vascular damage while preserving hair follicles and epidermal thickness compared to treatment with silver sulfadiazine cream.

Hair movement can indicate hair quality and health.

This case series described five patients with chronic alopecia areata who successfully maintained long-term disease control using a combination of topical immunotherapy and other treatments over 9–15 years, highlighting the approach's continued value alongside novel therapies.

In this retrospective study, researchers from the University of Bologna observed that trichoscopy can aid in diagnosing allergic scalp contact dermatitis, with key findings including common trichoscopic patterns of erythema, white scales, arborizing vessels, and simple red loops in 12 patients diagnosed with the condition.

In this note, editors discuss the reproduction of medical content by Dr. Paul E. Marik, related to standardized coronavirus treatments, emphasizing that the materials appear effective and cautioning readers to consult their doctors for guidance.

Hair movement can indicate hair quality and health.

The researchers reported that mast cell and nerve fiber interactions in mouse skin are highly selective for nerve fiber types and vary depending on the hair cycle phase.

This study found that noninflammatory alopecia in dogs can be caused by exposure to estradiol gel used by their owners for postmenopausal symptoms, with hair regrowth observed after minimizing exposure.

In this study, the researchers observed that both standard body and facial depilatory creams caused significant skin injury in mice, with varying effects depending on the mouse strain and exposure time, although both formulations were effective for hair removal.

In this study, researchers found that epithelial cells exhibit density-dependent metabolic heterogeneity, particularly in the pre-epithelial transition stage, where metabolic patterns correlate with cell proliferation and are influenced by actomyosin contractility.

This study found that epithelial cell metabolism exhibits distinct heterogeneity based on cell density, particularly during the pre-epithelial transition stage where clusters of high and low mitochondrial potential cells emerge.

This study reported that polarized dermoscopy was better for visualizing vascular patterns, scaling, and reticular pigmentation, while nonpolarized mode better documented features like black dots and tapered hair in various hair and scalp conditions.

This case study reports a 26-year-old male with secondary syphilitic alopecia misdiagnosed as alopecia areata, likely contracted through non-penetrative sexual contact. Effective treatment with intramuscular benzathine penicillin G led to complete hair regrowth within three months.

This study found that superficial cryotherapy significantly increased hair density and thickness in treated eyebrows compared to untreated controls after 5 months in patients with alopecia areata.

This study used novel methods to detect and map iodine concentrations in pig skin, finding iodine present in the coating, stratum corneum, and tissue around hair follicles.

In this study, Cyanidin 3-O-arabinoside was found to protect against DHT-induced dermal papilla cell senescence and mitochondrial dysfunction in androgenetic alopecia, restoring hair growth in mouse models.

Junctional proteins stabilize the inner root sheath and connect the companion layer in human hair.

This article discusses a novel device for applying mediums to human and animal tissues and reports no new clinical results, focusing on its potential for precise applications and enhanced cell transplants.

This review discusses nanoparticle-based topical delivery systems for treating skin diseases and presents no new clinical findings; it emphasizes natural polymer-based nanoparticles and future applications like targeted drug delivery.

This updated guideline from the British Association of Dermatologists discusses current recommendations for managing alopecia areata but reports no new clinical research findings.

This review discusses side effects and allergy contact dermatitis caused by essential oils in cosmetic products and reports no new clinical results.