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This study found that lipid peroxidation products play a clear role in the pathogenesis of skin diseases like psoriasis, vitiligo, and alopecia, but their role in diseases like melanoma and atopic dermatitis remains unclear.

This study found that elevated epidermal ODC activity in transgenic mice promotes skin tumor development by recruiting bulge stem cells, rather than through reactive oxygen species generation by polyamine catabolic oxidases.

This study presents a Cu-catalyzed atroposelective method achieving high stereoselectivity for synthesizing chiral biaryl N-oxides, with product 3e showing promising therapeutic efficacy against triple-negative breast cancer in cell lines MDA-MB-231 and MDA-MB-468.

This review discusses the effects of chemical hair straighteners and reports associated side effects like scalp inflammation and hair damage, noting the variability of findings and the need for further research.

In this study, a hair wax containing propolis and Eruca sativa seed oil significantly improved hair growth in Wistar rats, increasing both the length and weight of newly grown hairs compared to controls.

This study found that Clinopodium bolivianum essential oil, particularly in combing cream, demonstrated notable antioxidant activity, with potential applications as a natural antioxidant in cosmetic formulations.

This study synthesized new heterocyclic steroid derivatives and reported their promising antiproliferative activity against breast and prostate cancer cell lines, highlighting selectivity and impact on signaling pathways even in cells resistant to certain treatments.

This review highlights the need for a deeper understanding of 5alpha-reductases and neuroactive steroids to reduce potential adverse effects of 5alpha-reductase inhibitors used for conditions like benign prostatic hyperplasia and androgenic alopecia, but reports no new clinical results.

GABRA2 gene variations impact alcohol response, and hair loss medication finasteride reduces some effects.

This study explored how modifying the 8-substituent of 8-bromobenzoquinolinone affects its selectivity in inhibiting both 5 alpha-reductase isozymes in the scalp.

This study investigated the effects of ammonium thioglycolate and amino methylpropanol hair straightening followed by permanent coloring, finding significant physical and chemical changes to both the cuticle and cortex of hair fibers.

Hair fibers may have a unique, non-protein sheath not previously identified.

A new compound that could treat various androgen-related conditions was created and analyzed.

This study investigated the morphology and growth mechanisms of spherical crystal aggregates of minoxidil in various alcoholic solvents, finding that a n-butanol–ethyl acetate mixture produces unique spherulite aggregates with improved powder characteristics.

This study investigated the effects of the 60% alcohol extract from Alnus sibirica and its active compound, oregonin, on hair health, observing anti-oxidative and anti-apoptotic benefits in human hair dermal papilla cells exposed to oxidative stress, suggesting potential as natural materials for hair loss prevention.

This study found that thalamic GABAA receptor α4 subunit levels increased after prolonged ethanol exposure and were regulated by phosphorylation and neuroactive steroids following acute high-dose ethanol administration.

This study demonstrated that prolonged use of commercial hair dyes caused significant increases in liver enzymes and bilirubin levels, and evident cellular injury in the skin and liver tissues of Albino rats, indicating potential toxicity.

This study found that progesterone can increase glycine release in rat brainstem neurons through its conversion to allopregnanolone, which modulates presynaptic GABA receptor activity.

In this study, an ammonia-free and PPD-free permanent hair dye was tested on 50 ethnically diverse females, showing no cases of contact dermatitis and significant improvements in hair shine, color, moisturization, porosity, and combability after two dyeing sessions.

This study found that alginate beads containing monoolein demonstrated promising potential for managing wet wounds by better absorbing excess exudate and delivering adenosine locally, favoring drug localization in damaged porcine skin compared to an aqueous solution without affecting skin viability.

This study found that among the tested analogs, compound 4e was the most effective in inhibiting wax esters in vivo in the Golden Syrian hamster ear model.

This study found that arylhydantoin and arylthiohydantoin derivatives with hydroxybutyl or methyl side-chains showed superior androgen receptor binding affinity and may serve as promising radioiodinated AR ligands.

This study found that hair products used by Black women and children in the U.S. contain multiple chemicals associated with endocrine disruption and asthma, highlighting potential exposure disparities and a need for improved labeling.

This study found that hair fibers broke down and lost keratin in extremely basic conditions, revealing the inner medulla and changing the color of the fibers.

This study reported that para-phenylenediamine and toluene-2,5-diamine are the main sensitizers in hair dye-related allergic contact dermatitis, with significant cross-reactivity to several other compounds.

This study found that shikimic acid- and maleate-based hair repair agents modified the structure of hair fibers, though they did not increase disulfide bridge content in the hair cortex.

This study found that a novel thiohydantoin derivative, 3a, effectively inhibited androgen receptor activity in LNCaP cells and showed promising in vivo results by reducing testosterone-induced prostate changes, outperforming finasteride in mitigating prostate index and histopathological alterations.

This study concluded that serum Adiol-G levels generally parallel testosterone levels and, therefore, do not effectively serve as a marker of peripheral androgen excess in women with androgenic symptoms.

Hair amino acid levels can indicate metabolic disorders.

This review highlights that hair care products can cause adverse effects like irritation dermatitis and allergic contact eczema but does not report new clinical findings.