research RAPID ANALYSIS OF FINASTERIDE IN BULK AND FORMULATIONS BY RP-HPLC-PDA METHOD
New method accurately measures finasteride in tablets and bulk.
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research Distribution and Localization of Hydrophobic and Ionic Chemical Groups at the Surface of Bleached Human Hair Fibers
Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
research Chromatographic Methods for the Determination of Aminexil, Pyridoxine, and Niacinamide in a Novel Cosmetic Hair Preparation
Two new methods accurately measure Aminexil, Pyridoxine, and Niacinamide in hair products.
research Enzymatic approach to analyze the effects of mercaptans on hair
Mercaptans make hair more prone to damage, with reduced hair being more affected than permed hair.
research A liquid chromatography/tandem mass spectrometry method for determination of aristolochic acid‐I in rat plasma
A reliable method was developed to measure aristolochic acid-I in rat blood.
research Hair follicle testing-an alternative to urinalysis for drug abuse screening
Hair follicle testing is more reliable and effective for drug screening than urinalysis.
research BIO-ANALYTICAL METHOD DEVELOPMENT AND VALIDATION OF FINASTERIDE, TADALAFIL, AND ITS APPLICATION TO PHARMACOKINETIC STUDIES IN RAT PLASMA BY USING LC-MS/MS
A reliable method was developed to measure Finasteride and Tadalafil in rat blood.
research Torsional method for evaluating hair damage and performance of hair care ingredients
The torsional method effectively evaluates hair damage and the performance of hair care ingredients.
research Quantitative analysis of finasteride tablets dissolution content with non-isotopically labeled internal standard by paper spray ionization mass spectrometry
PSI-MS quickly and accurately measures finasteride in tablets, helping with quality control.
research A stain for plucked anagen hairs
A new staining method helps tell growing from resting hairs to diagnose hair loss.
research Determination of 17 Characteristic Ingredients of Plant Extracts in Hair Growth Cosmetics by Ultra High Performance Liquid Chromatography
A new method accurately measures plant ingredients in hair growth products.
research Simultaneous pharmacokinetic and pharmacodynamic analysis of 5α-reductase inhibitors and androgens by liquid chromatography tandem mass spectrometry
The method effectively measures drug impact on DHT levels in prostate treatments.
research Issues About Axial Diffusion During Segmental Hair Analysis
Wait 4-5 weeks after drug use before hair testing and cut hair into three segments to confirm single drug exposure.
research High Performance Conditioning Shampoo with Hyaluronic Acid and Sustainable Surfactants
The best shampoo formula used 1% high-weight hyaluronic acid, 10% acidic sophorolipid, and 1% salt for effective hair conditioning and cleansing without sulfates or silicones.
research Determination of dichloromethane and chloroform in Finasteride by SPME-GC
The method accurately measures dichloromethane and chloroform in finasteride.
research Restoring dry, damaged hair with a novel natural wheat protein and wheat germ oil– containing shampoo and conditioner line
The shampoo and conditioner improved dry, damaged hair significantly after three uses.
research Determination of cantharidin,nitrogen mustard and minoxidil in nurturing hair products by liquid chromatography-tandem mass spectrometry
research Analysis of cosmetic residues on a single human hair by ATR FT-IR microspectroscopy
Cosmetic residues on individual hairs can be identified and differentiated using ATR FT-IR microspectroscopy.
research The effect of a novel zinc pyrithione hair care system on female scalp condition
The zinc pyrithione hair care system improves scalp hydration and reduces water loss.
research Scanning electron microscopes/silicon drift detector-energy dispersive spectroscopy: An analytical tool to identify waterborne microminerals pickup in human scalp hair cuticle due to water quality
The method can identify minerals in hair from water, and using coconut oil or conditioner can prevent mineral buildup.
research Internal structure changes in bleached black human hair resulting from chemical treatments: A Raman spectroscopic investigation
Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
research Invalidation of a commercially available human 5α-dihydrotestosterone immunoassay
The DHT immunoassay is unreliable due to high cross-reactivity with testosterone.
research Determination of finasteride and its metabolite in urine by dispersive liquid–liquid microextraction combined with field-enhanced sample stacking and sweeping
New method accurately measures finasteride and M3 in urine, helping evaluate pharmacokinetics.
research Integrated flow injection-solid phase spectrophotometric determination of minoxidil
New method measures minoxidil concentration faster, more accurately, and automatically.
research A rapid screening LC‐MS/MS method based on conventional HPLC pumps for the analysis of low molecular weight xenobiotics: application to doping control analysis
A quick method was developed to detect banned substances in urine for doping control.
research Sensitive bromatometric assay methods for finasteride in pharmaceuticals
Three cost-effective methods accurately measure finasteride in pharmaceuticals, better than current techniques.
research Test activity of hair tonic of ethyl acetate fraction from the ethanol extract of meniran (Phyllanthus niruri L.) as hair grower to male white rat (Rattus norvegicus) wistar strain
The hair tonic with menthol grew longer hair, but both formulas had similar overall hair growth.
research Isolation and characterization of recombinant murine Wnt3a
Scientists successfully purified a protein called Wnt3a, which is involved in processes like hair growth, but the overall yield was low, suggesting more work is needed to improve this.
research Validation of a skin and coat scoring protocol in dogs
The protocol is easy to use, but reliable results need the same person to assess each time.
research Development and Validation of Spectrophotometric Method for Determination of Finasteride in Pharmaceutical Formulation Using 1,2-Naphthoquine-4-sulfonate (NQS)
New method accurately measures finasteride in medicine using NQS.