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This study established a method using reversed-phase high performance liquid chromatography to determine finasteride concentration in hair cosmetics, showing a strong linear relationship with mass concentration and recoveries between 90.3% and 102.0%.

This study found that methylene blue staining helped identify late catagen and telogen hair follicles more accurately than unstained follicles, which suggests that established telogen percentage standards may be overestimated.

This case study highlights Erythromelanosis follicularis faciei et colli as an easily overlooked pigmentary disorder characterized by a distinctive triad requiring precise diagnosis for effective patient counseling and cosmetic management.

This study successfully developed a method to measure four flavonoids from Platycladus orientalis leaves in rat plasma, which was used in a pharmacokinetic study on healthy rats.

This study validated a highly selective and fast LC–MS/MS method for accurately measuring levels of tadalafil and finasteride in human plasma, adhering to international bioanalytical guidelines.

This study demonstrated that urea significantly accelerates the diffusion of poly(ethylene imine) into bleached human hair by increasing the diffusion coefficient twofold.

This study used quantitative methods to identify new geometric and mechanical parameters of curly and kinky/coily hair, aiming to improve classification and develop better personal care products for these hair types.

This article describes a new synthesis method for finasteride that reduces the use of costly and toxic reagents, making it more suitable for large-scale production, but reports no clinical results.

This study discusses using SEM/EDX for elemental analysis of hair samples in forensic science but notes challenges in detecting certain trace elements from raw hair.

This study found that careful light microscopy using fluid-mounted hair improves detection of the pili annulati phenotype, which varies widely in expression and affects hair fragility.

This review highlights the need for methodologies to understand and quantify drug penetration into hair follicles as significant drug pathways, noting this area lacks comprehensive articles and reports no new results.

This abstract lists authors and their affiliations but does not provide any research findings or insights.

This study found that topical eflornithine HCl 13.9% cream effectively reduced facial hair in women, with a favorable safety profile.

This study found that direct immunofluorescence of hair is a simple and non-invasive alternative for monitoring pemphigus vulgaris, matching skin biopsy results in the cases observed.

This study introduces a new test using a pendulum device to assess the bending stiffness of hair fibers, which can evaluate the effects of different hair treatments.

In this study, a cleanser gel with salicylic acid, vitamin C, and Lens esculenta seed extract reduced facial oiliness by 44.9% after 2 hours and by 19.1% after 4 hours in subjects with oily skin, using a novel facial oiliness mapping method.

This study describes Hg(OTf)2 as a new and efficient catalyst for various organic synthesis reactions, including alkyne hydration and C–C bond forming cyclizations.

A simple method can show hair's surface pattern.

This study found that the FIA-amperometric method for minoxidil quantification in pharmaceutical preparations provided accurate results comparable to the conventional UV technique, indicating no systematic errors.

This study developed a simple method to determine finasteride, indapamide, and tiemonium methylsulfate in pharmaceuticals by using their ability to form silver nanoparticles measurable via spectrophotometry.

The microstrip technique for hair transplantation is effective and discreet for patients needing fewer than 1500 grafts.

This review presents analytical methods for estimating Thuja occidentalis in homeopathic mother tincture but reports no new clinical results, emphasizing its broad application in homeopathy.

This study established a simple and accurate LC-MS method for quantifying vinflunine in Beagle dog plasma, supporting pharmacokinetic research in this context.

This study developed a new, simple, and economical RP-TLC method with densitometry that is suitable for routine analysis of finasteride in tablet dosage form, meeting analytical validation criteria.

This study developed and validated a precise and rapid HPLC method to simultaneously determine Minoxidil and Finasteride in pharmaceuticals, demonstrating successful application for routine quality control without interference from excipients.

This study found that in semi-coarse wool sheep of the Ukrainian Carpathian Mountain breed, changes in microflora and grease composition are linked to increased felting in wool, due to wetter, more alkaline fleece conditions that promote bacterial and mold growth and alter fatty acid balances.

This study describes a new LC-MS/MS method for analyzing Finasteride and Tadalafil, demonstrating system suitability, linearity, and accuracy in pharmacokinetic studies in rats, aligning with USFDA guidelines.

This study found that infrared thermography might be a useful non-invasive tool to help diagnose frontal fibrosing alopecia by identifying active phases of the disease.

In this study, cyproterone acetate was found to be effective in treating 'idiopathic' hirsutism, while a combination of ethinyloestradiol and lynoestrenol reduced hair growth in fewer patients despite uniformly lowering testosterone levels.

The authors concluded that their new grading system can effectively classify early female pattern hair loss and evaluate treatment progress.