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This study developed a new HPLC method for detecting prohibited substances like minoxidil and hydrocortisone in cosmetic products, achieving high sensitivity and successful application to real-world samples.

This study identified four novel mutations in the C2orf37 gene among Woodhouse–Sakati syndrome patients, doubling known mutations, and found no significant link between isolated symptoms like deafness and dystonia and these mutations.

This study found a high prevalence of skin diseases, such as acne and tinea pedis, among Korean military personnel, highlighting their potential impact on soldiers' daily lives.

This study identified the main secondary metabolites in Ziziphus jujuba seeds and confirmed that UPLC-MS/MS and GC-MS effectively demonstrate their pharmaceutical quality.

This study reports that a new DART-HRMS method can effectively analyze intact hair for drug use timelines, with cocaine detection aligning with forensic standards and identifying multiple drugs from high-resolution data.

This review discusses the critical parameters for MALDI IMS sample preparation in skin analysis and highlights its applications in wound healing, neoplasia, and infection research, but reports no new clinical results.

This study found that using hair steroid profiling, dutasteride treatment led to reduced dihydrotestosterone levels and DHT/testosterone ratio in patients with male-pattern baldness.

This study found that mutations in the TRPV3 gene can cause a broader range of symptoms in Olmsted syndrome than previously recognized, including severe palmoplantar keratoderma without other classic features.

The document concludes that using LC-MS/MS for measuring androgens is more accurate than older methods, but it needs careful validation and standardized references to be most effective.

This study found that melanin granules in black human hair are key dyeing regions for oxidative hair coloring, as confirmed by nanoscale mass spectrometry analysis detecting deuterium ions.

This preliminary study suggests that Raman micro-spectroscopy can help differentiate basal cell carcinoma from hair follicles in skin tissue sections, although some misclassification of hair follicles as carcinoma was observed.

This study identified major criteria including ectodermal malformations for diagnosing ichthyosis with confetti, and revealed significant genetic variation in the disease locus within the general population.

This study suggests that NBCCS and BFHS may be the same genetic condition, which could help improve identification and management of misdiagnosed cases with specific surveillance strategies.

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

This study developed a novel method to simultaneously measure finasteride, dutasteride, and related biomarkers in serum, finding that both drugs lowered DHT levels while increasing substrate concentrations.

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

This study found that a novel rare variant in ITGB6 may cause intellectual disability, alopecia, and dentogingival anomalies in a specific Pakistani family, highlighting a potential role for ITGB6 beyond enamel formation.

This study established a normative free androgen index range of 0.7-6.4 and identified a cut-off value of 6.1 for reproductive-age women in southern China, highlighting hyperandrogenic women's increased metabolic disorder risks.

New method measures minoxidil concentration faster, more accurately, and automatically.

This study developed a faster method to analyze fatty acid ethyl esters in human hair, potentially distinguishing alcohol consumption levels more efficiently.

This study identified previously unknown phase I and phase II metabolites of finasteride in human bile and urine using a specialized bile collection technique and advanced mass spectrometry analysis.

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

This study concluded that the best approach for detecting Androsta-1,4,6-triene-3,17-dione administration in horses is monitoring the metabolites M1b or M4 in urine, detectable up to 77 hours post-administration.

A new method was developed to accurately measure enzyme activity related to prostate health.

In this study, 96% of children with CNS tumors receiving MAPK and mTOR inhibitors experienced common, treatable skin reactions, occasionally requiring therapy adjustments.

Cortisol and cortisone release from hair increases in steps over time during incubation.

This study developed and validated a sensitive liquid chromatography–mass spectrometry method to measure aristolochic acid‐I in rat plasma, successfully applying it to pharmacokinetic research.

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.

Electrical impedance spectroscopy improves biopsy accuracy and efficiency for skin lesions.