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Botanical extracts are increasingly important in cosmetics and drugs for their effectiveness and safety, backed by traditional use and scientific evidence.

Vitamin B can prevent hair from turning gray in rats.

This study found that maize root hairs respond differently to cold stress based on severity, with mild cold allowing limited growth through adaptive remodeling, while severe cold causes more pronounced inhibition and prioritizes stress defense, affecting transcriptome and morphology.

This study reports pseudopili annulati in a dark-haired Chinese girl, identifying the unique appearance and structural characteristics of her hair without finding abnormalities in the cuticle and cortex.

This study used single-cell RNA sequencing to characterize 19 distinct cell populations in sheep hair follicles, uncovering differentiation signatures and intercellular communication that may influence wool curvature and sheep breeding.

In this study, the researchers used the dual-flow-RootChip to show that Arabidopsis roots can locally adapt their hair development in response to asymmetric phosphate conditions.

This literature review suggests that Cyperus rotundus L extract shows promise as a natural hair growth agent due to its bioactive compounds and mechanisms that stimulate hair growth, although more human clinical trials are needed to confirm its safety and efficacy.

This study identified five distinct scalp whorl patterns, noting that white males have the most distinct whorls, while African Americans and women more often exhibit a diffusion pattern.

In this study, researchers explored how hair follicle orientation is affected in the rosette fancy mouse and found that a mutation in the PCP gene Fzd6 caused reversed hair orientations in the posterior region, leading to the formation of unique whorls.

This study found that phosphorus and nitrogen deprivation increased root hair length in Brassica carinata and induced the expression of certain P-responsive genes, such as LRR and PRP.

This study found that leachate from crownvetch seeds drastically inhibited the growth of shoots and roots in various plant species, despite the osmotic pressure being too low to account for these effects.

This study found that RSL4 in Arabidopsis thaliana regulates genes necessary for root hair elongation by controlling proteins involved in cell signaling, cell wall modification, and secretion.

This study provides evidence that root hairs significantly enhance phosphorus uptake in barley when phosphorus availability is limited in the root zone.

This study found that deleting the ATR gene in adult mice led to rapid onset of age-related traits such as hair graying and osteoporosis through reduced regenerative capacity.

This study found that differentiated airway epithelial cells can revert into functional stem cells in vivo, suggesting a more general role for this dedifferentiation process in tissue regeneration in higher vertebrates.

This study found that Shh from neurons signals to Gli1-expressing cells in the hair follicle, cultivating a niche where these bulge cells can potentially transform into epidermal stem cells in wound healing.

This document extends previous recommendations by the National Lipid Association for managing dyslipidemia, focusing on lifestyle therapies, special patient groups, and strategies to enhance adherence and patient outcomes.

This study found that super-enhancers are essential for hair follicle stem cell identity, lineage commitment, and plasticity in mice, with SOX9 being a key regulator of these chromatin dynamics.

This study found that apple polyphenol extract, particularly oligomeric procyanidins, inhibited pancreatic lipase activity and reduced triglyceride absorption in both mice and humans.

This article outlines the rationale and design of the Rotterdam Study, summarizes its major findings, and updates its objectives and methods; it reports no new research results.

This study found that Wnt1/βcatenin signaling plays a crucial role in activating the epicardium and cardiac fibroblasts, which supports cardiac repair following acute ischemic injury.

This article provides an overview of how dermoscopy can aid in the noninvasive diagnosis of various general dermatological disorders, grouped by clinical presentation, but reports no new clinical results.

This review provides a comprehensive overview of melatonin's physiological roles, effects, and clinical implications, but it does not present new experimental findings.

In this mouse study, researchers found that dermal Wnt signaling/β-catenin activity is essential for fibroblast proliferation and initiating hair follicle formation by interacting with epidermal Wnt ligands.

This review examines hair cosmetics, including shampoos and conditioners, for their formulations and effects, but reports no new clinical findings; it emphasizes the importance of dermatologist knowledge in treating diverse hair conditions.

This study suggests that apoE4 may contribute to cognitive decline by reducing androgen receptor levels in the brain, but androgen treatment improved memory deficits in female mice expressing human apoE4.

This study introduces a novel non-invasive method called "differential stripping" to quantify the penetration of topically applied substances into hair follicles.

Dermatoscopy and videodermatoscopy are useful for diagnosing and monitoring various skin, hair, and nail conditions.

In this study, a unique form of chronic superficial pyoderma gangrenosum with verrucous and ulcerative lesions was reported to heal without systemic corticosteroids in most patients.

This study found that activating the Sonic hedgehog pathway in scarring wounds can remodel the dermis to promote hair follicle regeneration, highlighting a potential new approach to enhance healing.