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This study suggests that Equisetum debile extracts, particularly the ethyl acetate fraction, may offer natural cosmeceutical benefits for treating hyperpigmentation, delaying skin aging, and remediating hair loss due to androgenic alopecia.

This study reports a new one-pot method for synthesizing chromeno-pyrimidine-N-oxides with high yield from 4-chloro-3-formylcoumarin and aromatic carboximide oximes, confirmed by X-ray analysis.

This study observed that ethylenthiourea's lethality increases with dose accumulation and ethanol co-administration, while impaired liver function and various adverse effects were noted in long-term treated rats.

This study demonstrated that imidazole-based ionic liquids, particularly [Emim]DEP, effectively dissolved yak hair keratin, maintaining its structure better than other tested solvents, and also performed well on human hair and goat wool, with consistent performance even after five recycling cycles.

This study found that testosterone is converted to estrogenic steroids in vitro without aromatase involvement, suggesting that combining 5α-reductase and aromatase inhibitors might reduce estrogenic steroids more completely in vivo.

In this study, the authors concluded that a hydrolyzed eggwhite protein treatment promoted the reconnection of disulfide bonds in excessively bleached hair, after reduction and oxidation processes in permanent waving.

Authors retracted paper due to errors in data and mislabeling.

This study found that waving virgin human hair with thioglycerol at pH 9.0 using ammonia solution caused less damage than using thioglycolic acid, while maintaining good waving efficiency.

This study found that hair growth gel and tonic containing red grape seed extract were physically and chemically unstable under high temperature and humidity conditions over 30 days.

This study established a sensitive and reproducible method for determining the levels of four organic solvents in finasteride raw materials, meeting the requirements of the Chinese Pharmacopeia.

This study found petroleum ether to be more effective than methanol at extracting β-sitosterol from Eclipta alba, with higher concentrations detected using HPTLC and HPLC methods. The extracted materials contained metals within safety limits.

This study found that microbial transformation of dihydrotestosterone with two types of fungi produced eight metabolites, among which metabolites 5–7 were significant inhibitors of butyrylcholinesterase, suggesting potential in Alzheimer's disease management.

This study found that a conditioner treatment using 18-MEA combined with a specific cationic surfactant effectively restored hydrophobicity and reduced friction on damaged hair surfaces.

This study examined 4-azasteroids using 13C-NMR spectroscopy, detailing the NMR spectrum assignments and reporting a new molecular complex of finasteride with dioxane.

This study found that laccase-assisted grafting of poly(tyrosine) onto wool materials improved shrinkage resistance and mechanical properties while causing minor decreases in crystallinity and thermal resistance, suggesting a potential "green" approach to enhance wool durability.

This study found that methyl nonanoate and methyl caprate significantly enhanced the skin penetration of minoxidil compared to solutions with other common enhancers like Azone, DMSO, or DEET.

Detecting steroid esters in cattle hair is inconsistent and influenced by sampling factors.

This study developed and validated a micellar electrokinetic chromatography method to determine finasteride stability, finding that the drug degrades under acidic, basic, and oxidative stress conditions.

This study found that the moisture sorption and desorption process can differentiate between cosmetic treatments of hair and provide insights into hair fibre structure changes, with bleaching causing greater symmetry breaking than perming.

This review discusses the medicinal chemistry of steroid sulfatase inhibitors for estrogen- and androgen-dependent disorders but reports no new clinical results.

This study found that ethionine significantly inhibited wool growth in sheep, with L- and D-isomers being equally effective, but did not cause hair loss in sucking mice or rats.

This study observed that the compound EM-402 reduced 5α-reductase activity and sebaceous gland size in the flank organs and ears of hamsters, indicating potent localized anti-androgenic effects without systemic action.

This study found that weanling rats fed diets with oxidized rapeseed oil or lard had increased heart lipid levels, various symptoms of fat toxicity, and organ-specific tissue damage.

This study examined argan oil inclusion complexes with β-CD, finding that these complexes improve the antibacterial efficacy, uniformity, and mechanical performance of hair treatment formulations while enhancing the durability of bleached hair, suggesting their potential as stable and effective cosmetic ingredients.

This study observed that the ethyl acetate extract of Equisetum debile showed high activity against 5α-reductase and lipid peroxidation with no cytotoxicity on dermal papilla cells.

This study established a reliable method for determining residual solvents in Finasteride using gas chromatography.

This study reports that hair damage from bleaching is associated with the oxidative cleavage of fatty acid thioester bonds, detectable by measuring the decrease in mass spectrometry peak at m / z 76.

This study found that adding certain conditioning agents, including jojoba oil and lauryl PEG/PPG‐18/18 methicone, to ammonium thioglycolate straightening emulsions protected Afro-ethnic hair from protein loss and improved resistance to breakage.

This study found that oral tetracycline hydrochloride significantly reduced the free fatty acid/triglyceride ratio in hair lipids of young men and women treating acne vulgaris, with or without additional ethyl lactate application.