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This study found that keratin K14 expression occurs early in epidermal cell differentiation, while a hair-specific keratin is expressed later in hair matrix cells, suggesting developmental divergence between the two cell types.

In this study, bovine testes hyaluronidase accelerated wound healing in vitro and in vivo by enhancing cellular proliferation, reepithelialization, and modulating inflammation in rat models.

This study found that the retinoid all-trans retinoic acid induced a catagen-like stage in human scalp hair follicles, suggesting upregulation of TGF-beta2 as a contributing mechanism.

This study found that prostaglandin metabolism enzymes are present in human hair follicles, suggesting a potential role in hair growth and differentiation, with some expression differences between men and women.

This review discusses the importance of omega-3 fatty acids for human health and explores recent advancements in genetically modifying plants to produce these essential nutrients, but reports no new results.

This study identified three genes with significantly higher expression in androgen-sensitive beard dermal papilla cells compared to androgen-insensitive scalp cells, suggesting potential novel signaling pathways in hair follicles.

In this study, researchers reported that oral isotretinoin effectively treated facial papules in frontal fibrosing alopecia, with histopathologic findings suggesting the involvement of elastic fibers and sebaceous glands in papule formation beyond perifollicular inflammation.

This study found that arachidonic acid may promote hair growth by enhancing dermal papilla cell function and stimulating the anagen phase in C57BL/6 mice.

This review explores the role of fatty acids and bioactive lipid mediators in skin health and suggests targeting this metabolic network to control inflammation and improve skin conditions, but it reports no new findings.

This review discusses potential associations between Helicobacter pylori infection and various skin diseases but reports no new clinical findings; more research is needed to clarify these links.

This study examined the structural and biochemical mechanisms of human lipocalin prostaglandin D synthase, detailing substrate and product binding processes at the catalytic site and suggesting potential for drug delivery targeting hydrophobic molecules.

This article discusses the contributions of Dr. Shoji Okuda to the field of hair transplantation and reports no new research findings.

This study found that unsaturated fatty acids are more abundant in the cortex of human hair than on its surface, and steryl glycoside-like lipids may help bind the cuticle to the cortex.

This study found that osteopontin mRNA is abundantly expressed in dermal papilla cells during the catagen phase of hair growth in rats, suggesting a role in this phase.

This article discusses the potential use of 5α-reductase inhibitors in dermatology and reports no new clinical results; the authors suggest further exploration of their dermatological applications.

This study found that a three-month regimen of leucoselect phytosome, a grape seed extract complex, was well tolerated and significantly reduced bronchial proliferation markers in heavy active and former smokers.

This review discusses the evolution and current practices of Follicular Unit Extraction (FUE) in hair restoration surgery, reporting comparable patient outcomes to Follicular Unit Transplantation (FUT), though noting controversies in its adoption.

This article describes the DOAJ as a comprehensive index of diverse open access journals, emphasizing its commitment to freely providing quality content online, and reports no new findings.

This article discusses the authors' concerns over the misinterpretation of studies linking smoking and frontal fibrosing alopecia, clarifying that neither study suggests smoking is protective against the condition.

This study found that diphlorethohydroxycarmalol significantly increased prostaglandin $E_2$ synthesis in HaCaT human keratinocytes by upregulating COX-1 and COX-2 expression, suggesting potential benefits from elevated $PGE_2$ production.

Hair gels may cause split ends in children.

This study analyzed watercress oil and confirmed its phytochemical profile, UV absorption properties, and potential efficacy for hair growth, supporting traditional hot oil applications.

This review discusses the effects of dietary protein and its components on cholesterol, essential fatty acids, and possible health consequences, but presents no new clinical findings.

This study found that Phaeodactylum tricornutum extract enhanced hair follicle cell proliferation, indicated by increased keratin and ERK1/2 signaling, suggesting its potential for hair care applications.

This study highlights that improving medical professionals' knowledge of hair cosmetics can enhance patient adherence to alopecia treatments and reduce health risks from incorrect use of hair products.

This article reviews the role of trichoscopy in diagnosing hair weathering conditions like trichorrhexis nodosa and trichoptilosis and suggests treatment by avoiding harmful chemical and physical factors, but it provides no new research findings.

This paper discusses advancements in forensic hair analysis, emphasizing a novel DART–HRMS method that improves the accuracy and efficiency of detecting drug use timelines.

This summary highlights key contents of the latest issue of the Austrian dermatology journal, SKIN, including coverage of the ÖADF conference program, introduction of a "Phlebology Certificate," and new SKINdeep open-access articles.

This study found that bioconjugating 16-methylheptadecanoic acid (16-MHA) to damaged hair can mimic the protective properties of 18-methyleicosanoic acid (18-MEA), restoring the hair's structural integrity and moisture homeostasis, even after washing.

This article is a case report on severe hair loss due to telogen effluvium occurring during inpatient rehabilitation and does not provide new clinical results.