research Assessment of styling performance in hair gels and hair sprays by means of a new two-point stiffness test.
The new stiffness test works well for gels but not for sprays.
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840-870 / 1000+ resultsresearch 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 TrichoScan
TrichoScan accurately measures hair growth and loss, showing increased hair counts and thickness with treatment.
research An Evaluation Method for Shampoos Using Human Hair Keratin Film
Keratin film can effectively measure hair texture and adsorption properties.
research Validated LC-MS/MS Method for Simultaneous Quantification of Finasteride in Human Plasma
research Solid state NMR of isotope labelled murine fur: a powerful tool to study atomic level keratin structure and treatment effects
Solid-state NMR can effectively study keratin structure and treatment effects in fur.
research Investigation of hair shaft in seborrheic dermatitis using atomic force microscopy
Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.
research In search of decoding the syntax of the bioelements in human hair – A critical overview
Hair analysis can show nutritional status and environmental exposure, with phosphorus being very stable in hair and differences found based on gender and conditions like depression and autism.
research Force-triggered density gradient sedimentation and cocktail enzyme digestion treatment for isolation of single dermal papilla cells from follicular unit extraction harvesting human hair follicles
New methods efficiently isolate dermal papilla cells from hair follicles, preserving their characteristics better than traditional methods.
research Differential Stripping: Determination of the Amount of Topically Applied Substances Penetrated into the Hair Follicles
The new "differential stripping" method effectively measures how much substance gets into hair follicles.
research Chemical Fingerprint and Quantitative Analysis for the Quality Evaluation of Platycladi cacumen by Ultra-performance Liquid Chromatography Coupled with Hierarchical Cluster Analysis
The new method is rapid, sensitive, and accurate for evaluating the quality of the medicinal herb Platycladi cacumen.
research Automated analysis of scanning electron microscopic images for assessment of hair surface damage
A new automated method accurately measures hair damage using microscopic images.
research A Sensitive Assay for the Enzyme Activity in Hair Follicles and Epidermis that Catalyses the Peptidyl-Arginine-Citrulline Post-translational Modification
A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.
research Inheritance of Some Electrophoretic Phenotypes of Human Hair
Human hair protein patterns are inherited genetically.
research 601 A quantitative study of desquamation in the stratum corneum
New method measures skin cell turnover quickly and effectively, showing turnover slows with age and responds more to treatments in older skin.
research Evaluation of Automated Measurement of Hair Density Using Deep Neural Networks
Deep learning can accurately automate hair density measurement, with YOLOv4 performing best.
research Investigation by Imaging Mass Spectrometry of Biomarker Candidates for Aging in the Hair Cortex
Certain molecules in hair change with age and could be used for cosmetic treatments.
research Sensitive method using protein loss measurements to evaluate chemicalperm damage to human hair restoration by shampoo
Shampoo D is best for fixing perm-damaged hair.
research A systematic study of determination and validation of finasteride impurities using liquid chromatography
Method found to accurately identify finasteride impurities using liquid chromatography.
research Kinetic analysis of LY320236: competitive inhibitor of type I and non-competitive inhibitor of type II human steroid 5α-reductase
LY320236 is a strong blocker of two enzymes that change testosterone into dihydrotestosterone and might help treat conditions related to male hormones.
research Exploring Reference Values for Hair Cortisol
Hair sample weight is a better measure for cortisol levels in hair than hair protein concentration.
research Rapid determination of finasteride in human plasma by UPLC–MS/MS and its application to clinical pharmacokinetic study
New method measures finasteride in blood quickly and accurately.
research Segmental hair analysis - a retrospective testosterone diary?
Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
research Uncertainty for HPLC Assay of Finasteride and Content Uniformity in Its Tablets
The method for measuring uncertainty in finasteride tablets is reliable.
research Characterization of the mechanical properties of the cortex region of human hair fibers by multiparametric Atomic Force Microscopy mapping
Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.
research Phenotypic Heterogeneity in 5 Japanese Patients with an Identical Point Mutation in the Vitamin D Receptor Gene
Patients with the same vitamin D receptor mutation showed different symptoms due to other factors.
research Follow-up of Nutritional and Metabolic Problems After Bariatric Surgery
Patients need long-term care after bariatric surgery to manage potential nutritional and metabolic issues.
research The logic of follicular unit transplantation
The document concludes that follicular unit transplantation offers more natural results and better graft survival than older hair transplant methods.
research Final Report on the Safety Assessment of Hypericum Perforatum Extract and Hypericum Perforatum Oil
St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.
research The Art of Repair in Surgical Hair Restoration–Part II
Successful surgical hair restoration requires careful planning, precise execution, and proper aftercare, using techniques like follicular unit transplantation and correct hair angling for best cosmetic results.