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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 demonstrated that using finasteride impurity as a non-isotopically labeled internal standard in paper spray ionization–mass spectrometry can effectively and efficiently measure finasteride tablet dissolution, achieving results comparable to high-performance liquid chromatography.

Automated image analysis helps diagnose and monitor alopecia areata by efficiently measuring hair follicles.

This study found that objective measurements of hair growth, such as hair growth rate and diameter, can provide a more accurate evaluation of androgenic alopecia than subjective grading alone.

In this observational study, hair density was found to vary with age, as measured in subjects from a dermatology outpatient department, with males showing a mean unit density of 104.78 and females 108.36.

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.

In this study, commercial synthetic braiding hair samples from Kenya were analyzed, revealing that while no Ammonium Thioglycolate was detected, significant formaldehyde contamination was present, with varying concentrations throughout the hair strands, potentially impacting consumer safety.

This review outlines the use of quantitative imaging techniques in monitoring tendon response to platelet-rich plasma treatment for chronic tendinopathy and reports that these methods may aid in tailoring PRP protocols.

This study reports that women with hair loss had significantly lower levels of several biomarkers, including hemoglobin, iron, copper, selenium, vitamin D, vitamin B12, folate, and thyroid hormones, compared to healthy controls.

In this study, the researchers developed a chromatographic method to determine α-tocopherol and α-tocopheryl acetate in pharmaceutical capsules with high accuracy and repeatability, establishing it as a reliable alternative for analyzing these compounds.

This case report suggests that individualized homeopathic therapy with Carcinosin may benefit pediatric patients with alopecia areata by improving hair regrowth and psychological symptoms, as supported by standardized assessment tools.

This study identified three new genetic loci linked to sweat gland density in a GWAS involving 6,210 Han Chinese individuals, highlighting potential targets for understanding conditions like anhidrosis and hyperhidrosis and emphasizing the use of quantitative traits in genetic dermatology research.

Measuring the variety in hair thickness can help diagnose male pattern baldness in Korean men.

This study established an animal model using UV-irradiated C57BL/6 mice to assess hair luster, reporting that UV exposure alters keratin-associated protein gene expression, and suggested potential for developing effective hair care products by evaluating treatments like oral minoxidil.

This study surveyed UK patients who experienced adverse events from Botulinum Toxin for cosmetic purposes, finding 79% reported issues like long-lasting anxiety, and highlighting low awareness of regulatory bodies and reporting structures.

This study aimed to identify new quantitative geometric and mechanical parameters for curly and kinky hair using various microscopy and mechanical analysis methods, revealing correlations between hair fiber geometry and mechanical performance to enhance personal care product development and promote cultural inclusion.

A new image-based method improves accuracy in measuring hair loss in mice.

This study identified numerous nutraceutical components in unripe fruits of three Musa species, potentially valuable for developing pharmaceuticals that promote human health.

This study found that quantitative trichoscopy is a simple and effective method for determining hair density and thickness in Egyptians, establishing baseline values for clinical hair loss investigations.

QMSI effectively maps and quantifies drug distribution in skin tissues.

This study found that Quantitative Mass Spectrometry Imaging offers precise localization and quantification of active compounds in skin tissues, demonstrating benefits over traditional LC-MS in drug penetration studies.

This study developed analytical methods to better understand hair treatment with cosmetic formulations, revealing that active agents primarily adsorb on the hair surface during short washes.

This correspondence reported significant variability between quantitative PCR and bDNA assays for measuring Hepatitis C virus RNA in high-titer specimens, challenging the reliability of the Chiron assay.

This study developed a deep learning framework and quantitative model that accurately predict basic and specific classification in male androgenetic alopecia by analyzing trichoscopic images.

In this study, the researchers developed a computer-aided imaging system to quantitatively measure baldness in Chinese women with female pattern hair loss, potentially improving the precision of severity evaluation compared to traditional scales.

In this study, researchers interviewed women with rosacea to understand its impact on their romantic relationships, revealing challenges with self-esteem, intimacy, and a fear of negative judgment, as well as highlighting the need for supportive partners and open communication to cope with the condition.

This study reports that even minimal improvements in SLE-related fatigue and skin symptoms are meaningful to patients, supporting the content validity of the FACIT-Fatigue scale for measuring these effects.