research Physical and mechanical properties of the hair shaft: A review of measurement techniques to verify the efficacy of cosmetic products
Different techniques measure hair properties to ensure cosmetic products work.
Search
for
Sort by
Research
30 / 1000+ results 
research Measurement of Skin Permeation/Penetration of Nanoparticles for Their Safety Evaluation
Nanoparticles don't penetrate intact skin but can enter through pores or damaged skin.
research Comparison of Sequential Cyproterone Acetate/Estrogen Versus Spironolactone/Oral Contraceptive in the Treatment of Hirsutism
Both cyproterone acetate and spironolactone effectively reduce hair growth in women with hirsutism.
research Treatment of androgen excess in females: Yesterday, today and tomorrow
The document concludes that treating androgen excess needs patience, managing expectations is important, and many drugs used are not officially approved, suggesting cosmetic options for mild cases.
research Comparison on Quality Performance of Human Hair Types with Herbal Oils (Grape Seed/Safflower Seed/Rosehip) by Analysis Techniques
Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
research Development of methods for identification and quantitative determination of active substances in the medicated cosmetic cream for use in trichology
Researchers developed a method to measure active ingredients in a hair loss treatment cream.
research Evaluation method of the degree of hair damage. (I). Measurement of tensile strength of human hair by "the multi-point tension test method".
The method accurately measures hair damage and strength, revealing effects of cosmetics and metal correlations.
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 determination of seven prohibited substances in cosmetic products by liquid chromatography–tandem mass spectrometry
The method effectively identifies and measures seven banned substances in cosmetics.
research Determination of finasteride in anti-calvous hair cosmetics by high performance liquid chromatography
A reliable method was developed to measure finasteride in hair products.
research Determination of Minoxidil in Hair Care Cosmetics by High Performance Liquid Chromatography
A reliable method was developed to measure minoxidil in hair 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 Quantifying Polymer Deposition on Hair Fibers by Microfluorometry
Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.
research Qualification of a new and precise automatic tool for the assessment of hair diameters in phototrichograms
The new automatic tool accurately measures hair thickness and is reliable.
research Assessing the effect of cleansing products on artificially polluted human hairs and skin through in vivo and in vitro models
New methods effectively measure how well hair products clean and protect against pollution.
research Analyzing the laser-light reflection from human hair fibers. I. Light components underlying the goniophotometric curves and fiber cuticle angles.
The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
research The forensic limits of hair drug testing: a critical assessment of drug intake and hair concentration relationships
Hair analysis can confirm drug use but can't accurately measure how much was taken.
research Cosmetics for the elderly
Nutraceuticals are increasingly used and recommended by dermatologists to improve skin appearance and combat aging.
research Quasi-Static Torsional Deformation of Single Hair Fibers: Application of a Modeling Approach and Results from Cosmetic Treatments.
The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.
research In vivohair growth promotion effects of cosmetic preparations containing hinokitiol-loaded poly(ε-caprolacton) nanocapsules
Cosmetics with hinokitiol-loaded nanocapsules were found to effectively promote hair growth.
research A cosmetic formulation improves facial erythema in vivo
A new cosmetic cream reduced facial redness and skin temperature after 4 weeks of use.
research Hair color measurement
Hair color is important in many fields and is measured for various purposes.
research Hair cosmetic alterations
The document concludes that individualized treatments for hair issues are effective, certain hair changes can indicate neurocutaneous diseases, specific lotions improve skin health, laser hair removal works but needs more study on long-term effects, men's cosmetics are diverse, peeling is effective but can have side effects, and facial pigmentation is often due to overactive skin cells.
research Cosmetic Approach for Healthy and Damaged Hair
Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
research 43225 Randomized study to assess the efficacy of a facial cosmetic product with nanoencapsulated cysteamine in women presenting melasma
The cosmetic product improved melasma and skin quality without causing irritation.
research Efficacy of Postbiotics in a PRP-Like Cosmetic Product for the Treatment of Alopecia Area Celsi: A Randomized Double-Blinded Parallel-Group Study
The PRP-like cosmetic product with postbiotics effectively treats hair loss in Alopecia areata.
research Hair care cosmetics
The document explains how shampoos clean, rinses condition, one-step shampoos offer convenience, and hair growth promoters aim to prevent hair loss, emphasizing the importance of scientific evidence for their effectiveness.
research Friction and wear studies of human hair and skin
Human hair and skin friction vary by ethnicity, hair type, and environmental conditions.
research Hair resistance to mechanical wear
Hair's resistance to wear varies by ethnicity and treatment, with less wear indicating stronger hair.
research Androgen excess: Investigations and management
The conclusion is that managing androgen excess requires long-term treatment, including hormonal contraceptives and androgen blockers, with follow-up after six months.