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This case report describes two instances of naevoid bundle hair on the scalp, where multiple hairs group from separate follicles into a single sheath and show abnormal reactivity to keratin antibodies.

This review synthesizes the latest advances in wound healing and scar management, exploring molecular mechanisms, therapeutic strategies, and providing an evidence-based comparison of topical agents like Dermatix Ultra and Contractubex for scar improvement, aimed at informing clinicians and patients in decision-making.

In this study, araliadiol, a plant-derived compound, exhibited senomorphic effects in three dermal fibroblast senescence models, suggesting its potential as a topical treatment to mitigate skin aging by reducing certain senescence-related markers and increasing procollagen type I content.

Monocyte-derived dendritic cells play a key role in UVB-induced skin sensitivity and inflammation.

This study observed that topical application of palmitate or oleate accelerated the onset of the hair growth phase in mice, whereas glycolysis end product lactate delayed it, suggesting metabolic regulation as a promising approach for influencing hair growth.

The study concluded that dutasteride 0.5 mg daily for 24 weeks was the most effective monotherapy for increasing hair density in men with androgenetic alopecia, compared to other interventions.

In this study, AMD was observed more frequently in AGA patients, and a higher monocyte/HDL ratio was associated with increased AMD severity, especially in men.

UVA exposure slows skin wound healing, but α-klotho can reverse this effect.

This study found that IL-1α and IL-7 secreted from keratinocytes in a genetically engineered mouse model can stimulate the expansion of γδT-cells, aiding in the proliferation of epidermal stem cells for wound healing.

This study found that interleukin-1α and interleukin-7 secreted by keratinocytes enhance the proliferation of γδT-cells and epidermal stem cells, revealing mechanisms of stem cell activation during wound healing in mice.

This study suggests that the phenotype of melasma in women is influenced by structural and cellular changes across the epidermal-melanin unit, not just melanocyte hypertrophy, highlighting potential roles for dermal damage repair and fibroblast senescence.

Alopecia totalis/universalis involves more intense immune activity and inflammation than patchy alopecia areata.

This study reported that in mice with rapamycin-induced thymic atrophy, Angelica sinensis promoted thymic cortical regeneration and functional recovery by activating the Wnt/CTNNB1/Foxn1 signaling pathway and improving inflammatory microenvironment, suggesting its potential benefit against immune aging.

In this single-cell transcriptomic study, researchers analyzed AA scalp samples and found distinct immune and nonimmune cell activation patterns, with elevated TH1/TH2 and JAK/STAT markers potentially contributing to hair follicle immune privilege disruption and disease severity.

Brepocitinib improves cicatricial alopecia and reduces key immune markers.

Using a multi-omics analysis, this study identified key regulators like PLA2G12A, KRT79, and prostaglandin B2 that influence cashmere fineness, providing crucial data for understanding the molecular mechanisms behind this trait in Liaoning cashmere goats.

This study developed a sensor that effectively measures Tl+ cation in solutions with a wide dynamic range and low detection limit, responding linearly within the concentration range 1.0 × 10−8 to 1.0 × 10−1M.

This study found that lysine carboxymethyl cysteinate helps protect the epidermis from UVB-induced damage by activating autophagy and restoring cornification processes in a skin model.

Clascoterone safely promotes hair growth similar to minoxidil.

This study found that the Arabidopsis cation chloride cotransporter (CCC1) is crucial for regulating pH and processes in the trans-Golgi-network/early endosome, impacting plant growth and stress responses.

This study found that in Arabidopsis, the CLE14 peptide regulates root hair growth by promoting elongation, an effect that requires CLV2 and CRN proteins and involves ethylene signalling along with hydrogen peroxide and nitric oxide pathways.

In this study, a single oral dose of 2,3,4,7,8-pentachlorodibenzofuran in male Fischer rats led to dose-dependent toxicity, resulting in weight loss, hepatotoxicity, and mortality.

This study found that mercury chloride administration in rats led to decreased intraepidermal nerve fibers and increased Langerhans cells, suggesting small nerve fiber damage after mercury poisoning.

This study established a new mouse model for TCE-induced skin sensitization and reported that proinflammatory cytokines TNF-α, IFN-γ, and IL-2 significantly contribute to this sensitization process.

This study found that the clionasterol-rich hexane fraction of Caulerpa racemosa may protect against particulate matter-induced skin damage by reducing oxidative stress and mitochondrial-mediated apoptosis in human keratinocytes and zebrafish.

This study identified 14 different phytoconstituents in the methanolic fruit extract of Citrullus colocynthis, suggesting its potential pharmacological importance.

This source reports that clascoterone cream, a topical androgen receptor inhibitor, has shown effectiveness in treating facial acne vulgaris in patients 12 and older, with clinical trials indicating a favorable safety profile compared to systemic treatments, and potential for broader dermatological applications.

In this case report and literature review, researchers identified a novel mutation in the CLDN1 gene linked to neonatal ichthyosis-sclerosing cholangitis syndrome and found that its phenotype varies widely, suggesting a multidisciplinary approach is crucial for management.

This study synthesized and characterized new 2-hydroxypyrrolidine/piperidine derivatives using FeCl₃·6H₂O as a catalyst, but it reports no biological or clinical results.