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This study emphasizes the necessity of confirming elevated testosterone levels detected by immunoassay with liquid chromatography-tandem mass spectroscopy before pursuing more complex diagnostic evaluations.

This study utilized a UHPLC-HRMS method to identify eight active pharmaceutical ingredients, such as ketoconazole and minoxidil, in 26 out of 100 analyzed cosmetic products.

This study found that oregonin, isolated from Alnus japonica, demonstrated strong antioxidant activity and apoptosis modulation in hair follicle cells, suggesting its potential as a natural ingredient for preventing hair loss in cosmetic products.

This study found that the presence of benzeneseleninic acid in commercial anhydride samples lowered the reaction rate during the oxidation of a finasteride intermediate compared to pure anhydride.

This study identified a new minoxidil analogue called triaminodil in an illegal hair-growth supplement, but no data on its chemical, toxicological, or pharmacological properties are available yet.

New method effectively analyzes finasteride and its stability.

This study concluded that two different pharmaceutical formulations of finasteride were bioequivalent in terms of rate and extent of absorption based on pharmacokinetic evaluations in a randomized crossover study with 38 volunteers.

Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.

This study found that Punica granatum ethanolic leaf extract may alleviate skin fibrosis in rats by modulating inflammation-related pathways and reducing dermal alterations.

This study reported high analytical performance of an RMP for DHT quantification, with the ability to differentiate between 5α-DHT and 5β-DHT isomers, making it suitable for routine assay standardization and clinical sample evaluation.

This study developed a rapid and accurate spectrophotometric method using diazotized sulfanilic acid to measure minoxidil in both pharmaceutical formulations and pure form, demonstrating high precision and linearity within a concentration range of 5-40 μg/ml.

In this study, researchers developed a reliable HPLC method to simultaneously estimate Finasteride and Tadalafil in marketed formulations, showing precise, linear results with confirmed degradation susceptibility under certain stress conditions.

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.

Philippine stingless bee propolis may promote hair growth and fight cancer.

This study developed a validated HPLC method for accurately estimating dutasteride and its related compounds in capsules, suitable for routine and stability sample analysis.

This study suggests that the adrenal gland may contribute to prostate cancer treatment resistance and indicates potential steroid production or dependency in ovarian cancer.

This paper discusses advancements in forensic hair analysis, emphasizing a novel DART–HRMS method that improves the accuracy and efficiency of detecting drug use timelines.

This study found that isolated human scalp hair follicles express PGE2 genes and EP2 protein, suggesting PGE2 may play a crucial role in regulating hair growth.

This study found that standard decontamination procedures may not fully remove external contamination in post mortem hair specimens, complicating the interpretation of drug detection in such samples.

Finasteride forms three new products under acidic stress.

Confocal Laser Scanning Microscopy (CLSM) is a useful tool for studying how drugs interact with skin and diagnosing skin disorders, despite some limitations.

This study suggests that cortisol measured in human hair can effectively reflect increased production for up to six months, but its retrospective accuracy may be limited due to rapid decline in levels.

This study found that mouse skin can produce and metabolize serotonin and N-acetylserotonin, with activity influenced by location, physiological skin status, cell type, and mouse strain.

This review discusses the pathways of androgen biosynthesis and reports no new findings, highlighting the need to understand the interplay between the classic and backdoor pathways.

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 found that Ldh activity in hair follicle stem cell-mediated squamous cell carcinoma is not necessary for tumorigenesis, as its modulation did not affect the cancer's development or characteristics.

In this study, experimentally induced weight loss in merino sheep led to a decrease in wool fiber diameter and increased expression of certain high sulfur and glycine-tyrosine proteins, potentially impacting wool quality and industry preferences.

This study observed that iontophoresis significantly improved the delivery of minoxidil sulfate to hair follicles compared to passive methods, suggesting potential benefits for alopecia treatment.

This study found that microencapsulation combined with iontophoresis can significantly enhance the delivery of minoxidil sulphate to hair follicles, suggesting a synergetic approach for topical drug targeting.

This study observed significant inter- and intra-individual variability in serum testosterone levels among women treated with subcutaneous testosterone implants, suggesting that therapy should be guided by clinical response rather than single serum measurements.