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This article reviews in-vitro and cell-free methods for assessing the efficacy of herbal ingredients in cosmetic formulations for skin health and hair growth, but it reports no new clinical results.

This study found that Notch signalling promotes differentiation of epidermal cells and acts as a tumour suppressor in the skin by interacting with various pathways and mechanisms.

This study found that the Wnt inhibitor Dkk4 may play a role in regulating hair follicle development through a feedback loop with canonical Wnt signaling pathways.

This review examines the physiological, biochemical, and molecular mechanisms by which DHEA and DHEA-S influence various bodily systems, citing rodent studies, but presents no new clinical results.

This study suggests that gel containing OSF3 loaded in niosomes offers high transfollicular penetration for topical anti-androgenic alopecia treatment with minimal systemic effect.

This review discusses the unclear etiology and potential contributing factors of frontal fibrosing alopecia and reports no new clinical findings.

This study reviewed chitosan composites, specifically those with silver or zinc oxide nanoparticles, highlighting their enhanced antimicrobial efficacy and potential biomedical applications despite pure chitosan's limitations such as pH sensitivity and poor solubility.

In this review, recent advances in long-acting microneedle-based transdermal drug delivery systems are outlined, highlighting biodegradable polymers like PLA, PLGA, and PCL for sustained release and discussing challenges in clinical translation such as consistency in manufacturing and validating long-term efficacy and safety.

This study found that 1′S-1′-acetoxychavicol acetate from Alpinia galanga inhibits Nox isozymes and suppresses testosterone-induced hair loss in a mouse model of androgenetic alopecia.

Oenocarpus bataua vegetable oil may help reduce hair loss by affecting a key gene pathway.

This study found that A-ring reduced derivatives of norethisterone and levonorgestrel exhibit estrogen-like potency in rat osteoblasts, suggesting a mechanism for 19-norprogestins' bone restoration effects in postmenopausal women.

This study found that microneedling, alone or combined with drugs, was effective in reducing hair loss severity and increasing hair density in male androgenetic alopecia patients, with the combination therapy showing more significant results for moderate to severe cases.

This article reviews diagnostic criteria and treatment options for polycystic ovary syndrome, focusing on hormonal and metabolic management strategies, and presents no new clinical data.

Blocking CYP17A1 enzyme may help improve certain brain function issues related to dopamine.

Nilotinib may cause gray hair to return to its original color.

This review examines how mesenchymal stem cells and their derivatives may enhance skin regeneration and rejuvenation, but it reports no new clinical results; the authors suggest iPSC-derived MSCs hold promise for future therapies.

This study found that imiquimod combined with fish oil in a bigel formulation enhanced antitumor effects and reduced inflammatory side effects in a skin cancer model.

Acne is significantly influenced by genetics, and understanding its genetic basis could lead to better, targeted treatments.

In this study, researchers identified a gene expression pre-pattern and implicated the Wnt inhibitor Dickkopf 4 in the formation of color patterns in domestic cat embryos.

This review discusses plant-based alternatives to retinoids for dermal antiaging and hair health, highlighting roles for cytokinins and phytoestrogens and reports no new results.

This study indicated that administering letrozole to Swiss albino mice may have anticonvulsant effects against kainic acid-induced seizures by inhibiting testosterone aromatization to 17β-estradiol and increasing anticonvulsant metabolites in the hippocampus.

This study reported that after 7.5 months of treatment, topical Alfatradiol significantly increased anagen hair rates in women and men with androgenetic alopecia, with minimal side effects.

This review focuses on the various skin toxicities caused by chemotherapeutic and targeted tumor therapy drugs, including rashes, keratoacanthoma, and more severe conditions like Stevens-Johnson syndrome, without presenting new clinical results.

This review examines adipose-derived stem cells as a promising therapy for alopecia but reports no new clinical results, discussing their potential mechanisms and the challenges faced in treatment development.

This review discusses the role of hair follicle stem cell metabolism, ageing, and microenvironment in hair growth disorders and compiles recent research on using stem cell-based regenerative medicine for treating alopecia, without reporting new clinical results.

This review highlights that while chitosan-based wound dressings with silver nanoparticles show promise for treating infected wounds due to enhanced antimicrobial activity, further studies are needed to address their in vivo toxicity and evaluate their efficacy in infectious animal models.

In this study, researchers developed a nanocomposite microneedle patch containing copper/zinc dual-doped silica nanoparticles, which release substances to promote hair follicle regeneration by targeting various pathophysiological aspects of androgenic alopecia, presenting an effective anti-hair loss treatment strategy.

This study found that differences in skin transcriptomes between juvenile and adult mink, as well as between black and white mink, suggest genes regulating hair color are active during early development rather than adulthood.

This article reviews various hair growth and hair loss treatments, noting limited new developments since FDA-approved drugs but highlights recent cosmetic surgery and potential cell-based therapies; it reports no original findings.

Baricitinib may reactivate trichilemmal cysts in people with a history of these cysts.