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In a cross-sectional analysis of 58 hair growth cosmeceuticals marketed for women or unisex use, this study found that ingredients with potential environmental hazards, particularly phenoxyethanol and synthetic fragrances, are commonly present, while substances like sodium lauryl sulfate, parabens, and microbeads were not detected.

The researchers reported that the rat Hershberger assay reliably detected endocrine-disrupting effects of finasteride, procymidone, and 17α-methyltestosterone, validating the assay's sensitivity for identifying hormonal activity.

Microfluidic models improve testing for aging, wound healing, and oral tissue, reducing animal testing.

This study suggests that ATR-FT-IR spectral analysis of hair fibres may detect breast cancer through increased lipid content changes linked to cancer presence.

This study found that two eco-friendly analytical methods for quantifying Finasteride and Tadalafil in a new dosage form were effective, green, and suitable for quality control.

This study evaluated an in vitro inhalation method to assess the toxicological impacts of aerosols from heated hair products, revealing significant differences in cellular stress and IL-8 release among different test materials, which may help in developing safer products.

This study demonstrates a method to noninvasively assess lipid classes in rodent sebum via high-field proton NMR, observing significant lipid reductions in rats treated with an SCD1 inhibitor.

This study developed and validated a label-free assay using LC-MS to screen for S5αR inhibitors, identifying Thai herbal extracts, Impatiens balsamina L. and Curcuma longa L., as promising sources.

This article analyzes various cases of weak or low-dose endocrine effects in laboratory animals and highlights challenges in data interpretation due to variability among controls, but reports no new experimental findings.

In laboratory tests and mouse models, this study found that the novel IPC analog SIG-1451 may offer potent anti-inflammatory effects for treating allergic skin inflammation, potentially outperforming some current therapies in specific inflammatory phases.

This study found that endophytic bacteria isolated from Leea indica leaves showed high antioxidant activity, suggesting they could be a novel source of natural antioxidants.

This study found that urinary selenium to creatinine ratio and serum selenium concentrations quickly respond to changes in dietary selenium, making them useful biomarkers for assessing selenium status in dogs.

This study suggests that measuring hair DHEA and testosterone can reliably reflect long-term average hormone levels in women, overcoming daily and menstrual fluctuations seen in salivary hormone assessments.

This article reviews the properties of cellulose nanocrystals for sustainable development but presents no new experimental results.

This study provides detailed taxonomic and pharmacognostic analyses to authenticate and standardize seven herbal medicines, aiding in their differentiation from common adulterants for improved identification and classification.

This review highlights the challenges of using hair mineral analyses as precise indicators of mineral status due to various influencing factors, suggesting they may be informative when combined with other indicators.

This study examined noninvasive tissue samples, including buccal swabs, hair follicles, saliva, and urine cell pellets, and found hair follicles and urine cell pellets promising for transcriptomic and clinical analyses due to their sample quality and performance in disease-relevant applications.

This study reports a less invasive method for detecting human clock gene expression using hair follicle cells, which accurately reflects individual behavioral rhythms and suggests a time lag issue for rotating shift workers.

This study reports new fluorogenic ceramidase substrates and highlights RBM14C24:1 as an efficient substrate for neutral ceramidase, while RBM15C18:1 is the best probe for measuring ACER1 and ACER2 activities, potentially aiding high-throughput screening for ceramidase inhibitors.

This study found that bioluminescence imaging can feasibly and non-invasively monitor hair follicle regeneration in mouse models by tracking transplanted hair follicle stem cells expressing a luciferase reporter gene.

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 explored the antimicrobial potential of natural bioactive materials such as Citrus lemon, Garlic, Baeckea frutescens, Neem, and Eclipta Alba, highlighting their eco-friendly and non-toxic properties for combating harmful bacteria.

This study found that near-infrared microscopy can effectively detect complete medulla loss in scalp hair, which may serve as a potential biomarker for breast cancer diagnosis.

This study introduces scINSIGHT, a method that showed improved performance over existing approaches in identifying gene expression patterns and cellular processes in heterogeneous scRNA-seq datasets from different biological conditions.

This study found that increased δ¹⁵N values in hair keratin could indicate physiological stress among early settlers with pathological conditions in Belleville, Ontario, while δ¹³C values remained relatively stable.

This study found that untargeted hair metabolomics analysis detected significantly altered endogenous biomolecules, potentially serving as biomarkers for identifying oxidative cosmetic hair treatments like bleaching.

This study describes a fast LC/MS/MS method for detecting various synthetic drugs in urine, meeting World Anti-Doping Agency performance limits.

This study introduced RoPod, a customizable tool for low-stress live imaging of Arabidopsis roots, which improves data reproducibility and provides new insights into plant autophagy by revealing detailed, cell type-specific responses to chemical modulators.