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In this study, researchers found that L-cysteine interacted electrostatically with anionic ions on the surface of keratin fibers in human hair, reducing the rate of disulfide bond disconnection at pH 9.0.

This study developed a chalcone-based molecule that significantly increased tyrosinase inhibition and solubility, showing potential as a safe and effective skin depigmenting and antiaging agent, with supportive epigenetic and antioxidant properties observed in vitro.

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 found that women with PCOS displayed significantly higher activity of 5alpha-reductase, suggesting an additional role for liver and peripheral tissues in their androgen excess.

This study identified the structures of cyclohexyl and phenyl analog impurities in finasteride using HPLC and spectral analysis.

In this study, finasteride was found to significantly reduce DHT levels and affect spermatogenic markers in rats, while DA-9401 co-treatment indicated potential ameliorative effects.

This case study highlights that RDEB-mitis can be misdiagnosed in older adults, emphasizing the importance of accurate diagnosis as it does not require immunosuppressive treatment.

In this study, researchers used a CRISPR-based method to correct mutations in the COL7A1 gene in stem cells from RDEB patients, restoring normal collagen expression in engineered skin grafts in mice.

In this study, analysis of over 800 Iranian patients with epidermolysis bullosa identified 15 with pathogenic PLEC variants, highlighting a correlation between variant locations and phenotypic manifestations of plectinopathies.

This study concludes that dietary L-serine supplementation shows promise as a long-term therapy for hereditary sensory and autonomic neuropathy type 1, reducing neurotoxic 1-deoxysphingolipid levels and improving symptoms in severe cases.

This study suggests that PF-0998425 is an effective androgen receptor antagonist for sebum control and androgenetic alopecia with rapid metabolism reducing the risk of systemic side effects.

In this study, the synthesis of C-4 and C-6 bridged haptens of 11 alpha-hydroxyprogesterone revealed an unexpected formation of a C-4 substituted product using a 6-bromo derivative, contrary to prior reports.

In this study, human hair-carboxymethylated protein analysis showed that weathering for over 2.5 years can obscure electrophoretic patterns, while cosmetic treatments did not cause significant changes.

This study found that the catalytically inactive serine protease CAP1/Prss8 can still induce skin disorders in mice and is subject to inhibition by nexin-1, independent of its catalytic activity.

This study found that the fungus Microsporum gypseum enzymatically degrades keratin in human hair, with the sequence of degradation reflecting the keratinization and cystine content of individual hair components in vitro.

In this report, a 19-year-old Japanese man experienced severe and prolonged urticarial reactions following treatment with diphenylcyclopropenone for alopecia universalis, emphasizing the need for caution with potent sensitizers.

Certain enzymes react strongly with some hormones in rat skin during hair growth, mainly in sebaceous glands and hair sheaths.

In this study, severe hair loss occurred in PKC epsilon transgenic mice treated with DFMO during skin tumor prevention, highlighting a link between polyamine biosynthesis, hair follicle maintenance, and metastasis suppression.

In this study using rat models, researchers found that subcutaneously implanted non-de-epithelialized flaps maintained persistent epidermal components, leading to potential complications, whereas de-epithelialized flaps showed gradual regression of remaining skin elements, lowering complication risks over time.

This review discusses valproic acid as a common antiseizure medication associated with alopecia and highlights the need for its inclusion in relevant medical guides, without presenting new clinical findings.

Farudodstat may effectively treat alopecia areata without harming hair follicles.

This paper reviews the properties, characteristics, and applications of deep eutectic solvents as environmentally friendly alternatives for extracting bioactive compounds from natural sources in the pharmaceutical industry.

Isolation stress in rats reduces brain enzyme levels, affecting dopamine function.

This study developed and validated a method using UPLC-PDA and LC-Q-TOF/MS to identify and measure prohibited substances in dietary supplements, showing reliable detection of compounds like minoxidil and finasteride.

This study found that a hair-coating polyphenol complex significantly enhanced the mechanical strength, UV protection, and antistatic properties of damaged hair, suggesting potential benefits for hair treatment.

This study models the pathways of nandrolone and its metabolites in the body and suggests methods to counteract finasteride's role in enabling PED users to cheat drug tests.

This article discusses advancements in proteomic and metabolomic analysis techniques for studying hair damage but provides no new clinical results; the authors express interest in applying metabolomics to develop strategies for reducing hair damage from chemical treatments.