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A Western diet may increase acne risk, while a Mediterranean diet and certain supplements can help reduce it.

This study found that infections and eczematous conditions were the most common skin disorders across all ages, with acne vulgaris being notably prevalent in adolescents and young adults.

This study found that mice lacking alkaline ceramidase 1 with elevated skin ceramide levels showed disrupted skin homeostasis, including altered hair follicle structures, increased water loss, and a hypermetabolism phenotype.

mTORC2 is crucial for healthy skin barrier by regulating lipids and filaggrin.

This review reports on the effects of aging on hair characteristics such as pigmentation, growth, and structural properties across genders and ethnicities, highlighting the importance of scalp health and suggesting cosmetic solutions to improve the appearance of aged hair.

Norfolk Terriers have a genetic skin defect causing scaling and blisters due to a keratin issue.

In this case report, a newborn with Conradi-Hünermann-Happle syndrome was diagnosed through early skin biopsy, which revealed unique histopathological features, including dystrophic calcifications, confirming a pathogenic variant in the EBP gene.

This study reported that topical ω‐0‐acylceramide improved skin barrier function in Jack Russell Terriers with TGM1-deficient autosomal recessive congenital ichthyosis, normalizing skin pH and reducing transepidermal water loss.

This study found that treating reconstructed human epidermis with beta-lipohydroxy salicylic acid increased tight junction remnants in the stratum corneum, potentially affecting skin cohesion and desquamation.

This review article discusses recent updates on the skin manifestations associated with thyroid disease, emphasizing their role as early indicators of thyroid hormone dysregulation.

This study observed defects in hair cuticle cross-linking in some, but not all, mouse mutants with sparse or structurally unsound hair.

This review study focused on various in vitro methods to evaluate skin permeation and retention of sunscreens, highlighting the importance of assessing sunscreen penetration due to widespread nanomaterial usage and advancements in cosmetic formulation.

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.

In this case report from People's College of Medical Sciences, a 20-year-old man initially misdiagnosed with Addison's disease was ultimately found to have strongyloidiasis, with his symptoms and weight loss improving after antihelminthic treatment.

Ceramide Synthase 4 is crucial for healthy skin barrier function.

This study indicates that reduced activity of the matriptase-prostasin proteolytic cascade is likely the cause of human autosomal recessive ichthyosis with hypotrichosis, as demonstrated using a novel mouse model.

This study shows that NIPP1 deficiency in mouse epidermis leads to hyperproliferation, hair loss, and chronic skin inflammation, which can be partially alleviated by dexamethasone treatment.

In this study, researchers found that keratinocyte-specific deletion of the autophagy mediator Atg16l1 in mice heightened skin inflammation and cancer responses, altered hair follicle stem cell activity, and sensitized keratinocytes to cell death.

This study found that prolonged Nrf2 activation in mouse keratinocytes led to enlarged sebaceous glands, hair loss, and cysts, suggesting a role for Nrf2 in conditions like MADISH.

This study found that keratin and other hair proteins in humans are extensively modified posttranslationally, which helps explain the structural characteristics of mature hair.

In this study, researchers found that the absence of type I or type II keratins in mice leads to severe skin barrier defects, highlighting keratins' crucial role in epidermal structure and function.

This review discusses ichthyosis with confetti, highlighting its genetic basis, clinical features, diagnostic criteria, and current treatment options but reports no new clinical results.

This study found that mice lacking sPLA2-IIE had distinct skin abnormalities, particularly affecting hair follicles, highlighting the differing roles of sPLA2 isoforms in mouse skin.

This review discusses recent advancements in therapies for ichthyosis, highlighting promising prospects in protein replacement and gene therapy, but it reports no new clinical results.

This study identifies various nail changes in alopecia areata, which can affect quality of life, and suggests that while spontaneous improvement is possible, further research is needed to refine treatment strategies.

This review highlights the potential of marine macroalgae as a largely untapped resource for developing new active ingredients in the cosmetic industry, emphasizing their role in supporting circular economy models by utilizing waste from other industrial sectors.

This study observed that smaller polymeric submicron particles provided more efficient selective drug delivery to inflamed skin in a mouse model, enhancing therapeutic effects while reducing systemic adverse effects.

In this study, researchers found that contrary to expectations, keratin 10 domains did not reduce cell proliferation and instead increased tumor development in genetically modified mice.

This study found significant structural and compositional differences in hair affected by alopecia areata compared to healthy hair, using a range of physico-chemical investigation methods.

This article discusses research about Netherton syndrome, highlighting its contributions to understanding epidermal structure, immune responses, and processes like atopic dermatitis, but it reports no new clinical findings.