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This study demonstrated that using a mass spectrometry imaging technique, researchers were able to visualize the incorporation of argan, avocado, and coconut oils into hair fibers, suggesting their potential in cosmetic and alopecia treatments by confirming oil absorption and fiber modification.

This article describes the synthesis process of Finasteride from 3β-Hydroxypregn-5-en-20-one using a series of chemical reactions, including dehydrogenation and iodination.

This study developed a stable and reliable HPLC-ESI-MS method for determining finasteride levels in human plasma, suitable for pharmacokinetic studies.

This study developed an advanced HPLC-ESI-ion trap MS(n) method for the structural identification of cyclosporin A analogs CyA and CyC and reported the first MS(n)-aided identification of a new CyA analog.

In an animal study, this research explored the use of a self-therapeutic nanoparticle for treating psoriasis in mice, finding that it could prevent and treat psoriatic symptoms as effectively as standard therapies without causing side effects like hair loss and skin wrinkling.

This study analyzed dosimetric quantities in x-ray microbeam radiation therapy and found that the peak-to-valley dose ratio decreases with depth in the irradiated object.

This study demonstrated that GP derivatization improves mass spectral analysis of spironolactone and its metabolites by reducing in-source fragmentation and enhancing signal clarity, laying the groundwork for future advancements in reaction optimization and quantitative assay development.

This study presents a novel assay that allows for the simultaneous measurement of various androgens and 5α-reductase inhibitors in male serum, facilitating research into the biochemical effects of these inhibitors.

This article reviews the role of factor Xa inhibitors like Rivaroxaban and suggests they may eventually replace vitamin K antagonists, but their side effects require further clarification.

Researchers developed a method to detect hormone-blocking drugs in wastewater and found them in Beijing's sewage, suggesting they can survive sewage treatment.

This article reviews analysis techniques in LC-MS/MS and discusses the potential use of a novel in-sample calibration curve method, but reports no new experimental results.

This study developed a quantitative method using SDS-PAGE and MALDI-TOF mass spectroscopy to accurately determine animal species from hair fibers, validated against standard samples and optical microscopy.

Curly and straight hair differ in how their internal fibers are arranged.

Active vitamin D3 might protect hair follicles from radiation damage.

This case report describes a 45-year-old Japanese woman with metastatic cervical cancer, including rare scalp metastases, who experienced severe scalp tenderness and patchy hair loss before her death.

This study demonstrated that hair follicles significantly expedite the absorption of caffeine through the skin compared to interfollicular pathways.

This study found that hair follicles are a significant and efficient pathway for the absorption of topical minoxidil foam in humans, with faster blood detection when follicles are open.

In this study, finasteride dose-dependently inhibited stress-induced increases in allopregnanolone in rats, while enhancing 20alpha-reduction of progesterone without affecting 3alpha-dihydroprogesterone or 11-deoxycorticosterone levels.

This study identified 43 compounds in Platycladi Cacumen, including flavonoids, and found significant chemical variation in flavonoid content across different regions and processed products.

Keratin peptides can change hair shape gently without harsh chemicals.

This study found that serum ferritin levels were lower in premenopausal women with female pattern hair loss compared to healthy controls, suggesting a potential role for iron in hair loss.

This study found that fullerene nanomaterials can significantly enhance hair growth and increase hair follicle numbers in both shaved and bald mouse models, as well as in cultured human skin sections.

This review discusses micro-segmental hair analysis for forensic toxicology, emphasizing its potential to provide detailed drug distribution profiles and its application in investigations, while noting the method's limitations and future perspectives.

This article reviews the impact of UV radiation and visible light on human hair structure and summarizes protective strategies, reporting no new clinical results.

In this study, extracting internal lipids from Caucasian hair fibers led to decreased water permeability, influenced by the fluidity of lipids.

In this study, researchers identified three molecules in hair that varied with age, suggesting potential markers for aging and targets for cosmetic products.

Accurate method measures finasteride levels in human plasma using gas chromatography-mass spectrometry.

This study found that unsaturated fatty acids are more abundant in the cortex of human hair than on its surface, and steryl glycoside-like lipids may help bind the cuticle to the cortex.

This study found that Prosopis farcta is a rich source of phenolic compounds with strong antioxidant activity, suggesting its potential for use in food, beverage, feed, and pharmaceutical applications.

This study developed and validated a reliable method to measure finasteride levels in human plasma, which was successfully used to assess its pharmacokinetics after a 5 mg dose in healthy volunteers.