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This study found that the green alga Botryococcus terribilis and its novel compounds significantly promoted hair growth marker gene expression in hair follicle dermal papilla cells without cytotoxic effects.

This review explored the causes of hair graying and evaluated how plant-derived extracts and phytochemicals might alleviate it, noting that certain compounds showed potential in enhancing melanocyte function, reducing oxidative stress, and influencing stress-related pathways based on experimental evidence.

This review discusses age-related and environmental factors affecting scalp hair changes in women, highlighting diagnostic complexities and ongoing research into targeted treatments, without reporting new clinical results.

This study found that age-related fluctuations in hormones and endocannabinoids in male C57BL/6 mice showed specific patterns, with peak values observed around 2.7 to 3.4 months, with these patterns seen in both plasma and hair but with different magnitudes.

This case report describes a patient with argyria presenting alongside a delusional disorder.

This study found that compromised antioxidant activity in gray hair follicles affects both mature melanocytes and their immature precursors, linked to down-regulation of melanogenesis-related genes.

Vitiligo causes white skin patches and is linked to autoimmune issues.

This review discusses various strategies to enhance drug delivery through the skin barrier, highlighting liposomes as promising carriers for increased dermal concentrations in topical therapies, but reports no new research results.

This review examines the potential and challenges of extracellular vesicles in cosmetics, noting their transformative impact despite regulatory and production hurdles; it reports no new experimental results.

This review discusses medication-induced gray hair repigmentation, highlighting that certain anti-inflammatory drugs and melanogenesis stimulators can cause diffuse repigmentation, though evidence remains low-quality and these medications are not currently indicated for this purpose.

This review discusses the mechanisms of hair repigmentation and reports no clinical results; the authors suggest further research into topical treatments for reversing gray hair.

In this case study, a 3-year-old with tinea capitis achieved complete resolution following treatment, highlighting hair salons as potential indirect transmission sites for infection and emphasizing trichoscopy's diagnostic value when traditional signs like Wood’s lamp fluorescence are missing.

In this study, researchers analyzed the waters of Ladakh's hotsprings, identifying 27 bioactive compounds with potential health benefits, but emphasize that further clinical trials are needed to confirm their therapeutic efficacy and safety.

This review discusses the potential of plant polyphenols to overcome multidrug resistance in various solid cancers and reports no new experimental results; further research is suggested.

This review examines the differential aging of melanocytes in hair follicles and skin, and reports no new findings; the authors suggest further research is needed to understand these processes.

This article reviews factors influencing hair aging and available treatments like minoxidil and finasteride for androgenetic alopecia but reports no new clinical results.

This study evaluated various herbal blends of powdered leaves, including Henna and Indigo, for their coloring and sensitivity reactions, finding Henna and Indigo to be effective natural colorants for achieving a reddish-brown hair color with better retention than marketed herbal hair dyes.

This review discusses recent advancements in hair cosmetic agents, including topical growth stimulants and anti-aging compounds, emphasizing molecular technology's role in understanding hair growth and aging; it does not report new results.

This paper reviews recent research on hair graying, suggesting that an imbalance in oxidative stress handling may affect melanocyte stem cells and melanin production with age, and calls for exploring strategies to prolong melanin production.

This review discusses the biological and cosmetic aspects of hair aging and reports no new clinical results; it highlights current treatments and future research directions to address both aging factors.

This study found that a polyherbal gel made from guava leaves, amla, and aloe is effective against candidiasis on the skin, with additional benefits of nourishing hair and preventing premature graying.

This review examines the dermatologic effects of tobacco use and nicotine, noting potential benefits and drawbacks for various skin conditions, but reports no new clinical results.

This review examines the pathogenesis of premature hair graying and potential treatment avenues, but reports no new experimental outcomes, highlighting ongoing research challenges and hopes for drug development.

In this study on C57BL/6 mice, researchers found that cadmium chloride exposure led to metabolic disruption, accelerated skin aging, and impaired hair regeneration, with more severe effects observed at higher doses.

Small hormonal imbalances can cause significant health problems, so more sensitive testing for hormone-disrupting chemicals is needed.

This study developed a new analytical method to identify a wide range of endocrine disrupting compounds in full-term amniotic fluid, revealing diverse substances with potential endocrine activity.

This review discusses genome maintenance mechanisms critical for preventing age-related diseases by preserving stem and progenitor cell potential, but reports no new empirical findings.

This study demonstrated that topical oleuropein induced hair growth in mice by activating the Wnt10b/β-catenin signaling pathway and increasing expression of several growth-related genes in skin tissue.

Natural products might help treat hair greying.

This study introduces MicrobeFDT, a tool that clusters chemically similar compounds and links them to gut microbial enzymes and toxicities, demonstrating its utility by uncovering previously unknown metabolism of the cancer drug altretamine.