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This review found no significant evidence supporting postpartum telogen effluvium as a distinct condition, suggesting its incidence is uncertain and possibly negligible.

This study found that porcine-placenta-extract-loaded nanoformulated serum improved skin hydration and promoted hair growth, as well as reduced intracellular ROS and inflammation without cytotoxicity in human subjects.

In this study, an ammonia-free and PPD-free permanent hair dye was tested on 50 ethnically diverse females, showing no cases of contact dermatitis and significant improvements in hair shine, color, moisturization, porosity, and combability after two dyeing sessions.

Hair dye with para-phenylenediamine can cause skin depigmentation.

This review details various skin manifestations linked to COVID-19 and highlights dermatitides caused by personal protective equipment, emphasizing the need for accurate diagnosis and prompt treatment.

This study found that para-phenylenediamine induces cytotoxic effects in normal human hair dermal papilla cells by altering microRNA expression and causing cell death, cell cycle arrest, and oxidative stress.

Avoiding dyed wigs and clothing improved severe allergic reactions in a woman treated with diphencyprone.

This study found that sheep wool follicles actively oxidize acetate and glucose, suggesting the involvement of the TCA cycle for compound synthesis and the potential role of the pentose phosphate pathway in ribose production for RNA and DNA.

This article reviews five cases of primary idiopathic pseudopelade of Brocq and reports no histopathological changes indicative of any specific cicatricial alopecia.

This review explores the role of dermatologists in COVID-19 research, discussing various topics such as skin manifestations, treatments, and skin-related effects of PPE, but reports no new clinical results.

This study investigates the role of peroxisome proliferator-activated receptor gamma in hair follicle morphogenesis using a novel mouse model but reports no new results, highlighting the need for further research on its function during the hair cycle.

This study identified differentially expressed proteins and pathways potentially involved in wool bending in Zhongwei goats, with specific genes like COL6A1 and CRNN emerging as important candidates in this process.

This study observed that deleting PTEN in mouse facial motoneurons enhanced peripheral axon regeneration but also led to physiological changes and potential hyperplasia in older mice.

In this mouse study, researchers found that the Jieduquyuziyin prescription may lessen lupus-like symptoms and atherosclerosis by inhibiting TLR9/MyD88 signaling and promoting cholesterol efflux.

This study found that overexpression of the CUX1 protein promotes proliferation of Hu sheep dermal papilla cells and affects key genes in the Wnt/β-catenin signaling pathway.

This study identified ten key hub genes and pathways crucial for understanding the molecular mechanism of hair growth by comparing dermal papilla cells in 2D and 3D cultures.

This review discusses the effects of calorie restriction on skin aging, highlighting its potential to benefit skin health by reducing age-related and photo-induced changes, although the impact of certain diets remains unexplored.

Nanoparticles could make hair dyes safer by reducing harmful effects.

This study found that the majority of "hypoallergenic" hair dyes still triggered allergic reactions in patients sensitive to para-phenylenediamine.

In this study, finasteride was found to potentiate stress-induced disruption in sensory gating of rats by neutralizing the increase in allopregnanolone levels after acute stress.

This study suggests that AKR1C3 expression may influence PGD2-related pathways in skin squamous cell carcinoma and potentially be involved in androgenetic alopecia, although further investigation is needed to clarify its role.

This study suggests that activating the PPARs/SHH-mitochondrial axis may enhance diabetic wound healing by improving endothelial cell metabolism and angiogenesis, indicating potential for PPAR agonists in treating diabetic foot ulcers.

This review discusses how skin lesions and haircoat changes in adult horses can indicate systemic diseases, emphasizing the need for veterinary evaluation, and reports no new clinical findings.

This study identified the most common allergens in hair products linked to scalp allergic contact dermatitis, with hair dyes, shampoos, and conditioners primarily associated with the condition.

This study found that RSPO1 mutations in patients with a 46XX disorder of sexual development contribute to impaired skin integrity and increased risk of squamous cell carcinoma in areas subject to friction.

This study found that adding 7% Ecklonia cava extract to oxidative hair dyes significantly reduced their cytotoxicity and oxidative stress without affecting color performance.

This case report describes a 44-year-old patient with late-onset partial lipodystrophy, mental retardation, epilepsy, ichthyosis, and glomerulonephritis, linked to a 10 Mb duplication of chromosome region 5q31.3-5q32.1.

In this study, a bioengineered construct using a biodegradable polycaprolactone mat cocultured with human keratinocyte and rabbit dermal fibroblast cells demonstrated potential as a tissue-engineered skin substitute, showing good cell adhesion and growth.

This study reported the development of new pyrazole-based MPC inhibitors that effectively inhibit mitochondrial pyruvate transport, showing potential as therapeutic candidates for conditions like metabolic dysfunction-associated steatohepatitis without activating PPARγ.

This study found that PPD-Lip@RES may effectively promote hair growth in models of telogen effluvium and androgenetic alopecia, suggesting its potential as a promising treatment strategy by addressing the underlying pathological and physiological processes of hair loss.