research Caffeine in Hair Care and Anticellulite Cosmetics: Sample Preparation, Solid-Phase Extraction, and HPLC Determination
The caffeine content in anticellulite gels is 0.7-1.7% and in hair-care products is about 1.0%.
Search
for
Sort by
Research
210-240 / 1000+ results research Hair as an Index of Protein Malnutrition
Hair cystine levels may indicate protein malnutrition, but more research is needed.
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 Finasteride in Biological Fluids: Extraction and Separation by a Graphitized Carbon Black Cartridge and Quantification by High-Performance Liquid Chromatography
Method accurately measures finasteride in human plasma.
research Simultaneous RP-HPLC-DAD Determination of Dansyl Amino Acids in Chemically Treated Human Hair
A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
research Picogram Determination of Finasteride in Human Plasma and Semen by High-Performance Liquid Chromatography with Atmospheric-Pressure Chemical-Ionization Tandem Mass Spectrometry
Method detects finasteride in plasma and semen with high sensitivity and accuracy.
![Synthesis of 5,6,6-[2H3]Finasteride and Quantitative Determination of Finasteride in Human Plasma at Picogram Level by an Isotope-Dilution Mass Spectrometric Method](/images/research/0026b639-99a8-455a-a986-c39aa65abfa9/small/2087.jpg)
research Synthesis of 5,6,6-[2H3]Finasteride and Quantitative Determination of Finasteride in Human Plasma at Picogram Level by an Isotope-Dilution Mass Spectrometric Method
Accurate method measures finasteride levels in human plasma using gas chromatography-mass spectrometry.
research Hair Growth Promotion Effect of Cedrol Cream and Its Dermatopharmacokinetics
Cedrol cream is more effective and safe for promoting hair growth than traditional treatments.
research Matrix Effect in Quantitative LC/MS/MS Analyses of Biological Fluids: A Method for Determination of Finasteride in Human Plasma at Picogram Per Milliliter Concentrations
Method detects finasteride in plasma at very low concentrations.
research The Clinical Development of a 5α-Reductase Inhibitor, Finasteride
Finasteride effectively treats BPH, but needs more trials to understand potential.
research Permanent Waving and Hair Straightening
Thioglycolate lotions are the most popular method for permanent waving and hair straightening.
research Photostability and Toxicity of Finasteride, Diclofenac, and Naproxen Under Simulated Sunlight Exposure: Evaluation of the Toxicity Trend and Packaging Photoprotection
Sunlight exposure increases drug toxicity; amber glass best for protection.
research Development and Validation of a New Gas Flame Ionization Detector Method for the Determination of Finasteride in Tablets
New method accurately measures finasteride in tablets.
research Determination of Finasteride in Tablet Form by Liquid Chromatography and Its Analytical Method Validation
Validated method reliably measures finasteride in tablets using liquid chromatography.
research Selective and Rapid Determination of Tadalafil and Finasteride Using Solid Phase Extraction by High Performance Liquid Chromatography and Tandem Mass Spectrometry
Quick, selective detection of tadalafil and finasteride in human plasma developed.
research A Non-Invasive Hair Test to Determine Vitamin D3 Levels
The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
research Microbial Oxidation of Finasteride with Macrophomina Phaseolina (KUCC 730)
research Simultaneous Determination of Multi-Class Active Pharmaceutical Ingredients by UHPLC-HRMS
A new method was developed to accurately detect and measure 47 different drug ingredients in various products.
research Serial Hydrolysis for the Simultaneous Analysis of Catecholamines and Steroids in the Urine of Patients with Alopecia Areata
A new method was created to analyze certain chemicals in the urine of alopecia areata patients, revealing they have higher metanephrine content. This method can also be used for other related diseases.
research Simultaneous Quantification of Dexpanthenol and Resorcinol from Hair Care Formulation Using Liquid Chromatography: Method Development and Validation
Researchers created a reliable method to measure dexpanthenol and resorcinol in hair products.
research Determination of Finasteride in Human Plasma by Liquid Chromatography-Electrospray Ionization Tandem Mass Spectrometry with Flow Rate Gradient
Researchers developed a quick and sensitive way to measure finasteride in blood using a small sample size.
research Anticancer Drugs in Surface Waters
Anticancer drugs are increasingly found in surface waters, and their long-term environmental effects are not well understood, requiring better testing methods.
research Generic Development of Topical Dermatologic Products: Formulation Development, Process Development, and Testing
The document concludes that developing generic topical drugs requires ensuring they match the original in quality, composition, and structure, and often involves complex testing and regulatory steps.
research Gender Differences in Skin: A Review of the Literature
Male and female skin differ due to hormones, affecting conditions like hair loss, acne, and skin cancer, and suggesting a need for gender-specific treatments.
research Effects of Finasteride (MK-906), a 5α-Reductase Inhibitor, on Circulating Androgens in Male Volunteers
Finasteride safely lowers DHT levels without affecting testosterone.
research Cepharanthine: An Update of Its Mode of Action, Pharmacological Properties, and Medical Applications
Cepharanthine is a well-tolerated drug with multiple medical uses, including anti-inflammatory and anti-cancer properties.
research Male Gonadal Function in Coeliac Disease: Sex Hormones
Men with coeliac disease may have hormone imbalances that could affect sexual function, but these can improve with better gut health.
research Self-Assembled Polymeric Nanocarriers for the Targeted Delivery of Retinoic Acid to the Hair Follicle
The new micelle formulation delivers acne treatment more effectively and safely than current gels.
research The Effect of Finasteride, a 5 Alpha-Reductase Inhibitor, on Scalp Skin Testosterone and Dihydrotestosterone Concentrations in Patients with Male Pattern Baldness
Finasteride reduces scalp DHT levels, potentially treating male pattern baldness.
research Analysis of Hormone Antagonists in Clinical and Municipal Wastewater by Isotopic Dilution Liquid Chromatography Tandem Mass Spectrometry
Researchers developed a method to detect hormone-blocking drugs in wastewater and found them in Beijing's sewage, suggesting they can survive sewage treatment.