research Influence of Chemical Straightening on the Stability of Drugs of Abuse in Hair
Chemical hair straightening significantly reduces detectable drug levels in hair.
Search
for
Sort by
Research
120-150 / 1000+ results 
research Kinetics and Equilibrium of Solute Diffusion into Human Hair
Hair absorbs molecules differently based on their size, charge, and love for water, and less at higher pH; this can help make better hair products.
research Light Microscopic Hair Abnormalities in Children: Retrospective Review of 119 Cases in a 10-Year Period
Over half of the children had abnormal hair under a microscope, with many having genetic hair conditions.
research Effects of Ultraviolet B Radiation on Physicochemical Properties of Human Hair Shaft
UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.
research Optical Coherence Tomography to Evaluate the Effects of Oxidative Hair Dye on the Fiber
Oxidative hair dye changes hair color and structure but doesn't weaken it.
research Measuring Steroids in Hair Opens Up Possibilities to Identify Congenital Adrenal Hyperplasia in Developing Countries
Hair steroid measurement is an effective method to diagnose and monitor CAH in developing countries.
research Analysis of Hair Steroid Hormone Concentrations at Different Parts of the Head by Liquid Chromatography-Tandem Mass Spectrometry
Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.
research Distribution of Polyamines May Be Altered in Different Scalp Regions of Patients with Hair Loss
Hair loss patients may have different polyamine levels in various scalp areas.
research Scalp Hair Sweating as a Predictor of Hair Cortisol Level in Humans Compared to Obesity and Other Confounders
Scalp hair sweating is a significant predictor of hair cortisol levels.
research Determination of Illegal Adulteration of Dietary Supplements with Synthetic Hair-Growth Compounds by UPLC and LC-Q-TOF/MS
The new method accurately detects illegal hair-growth drugs in dietary supplements.
research The Effect of a Herbal Paste and Oil Extract on the Lipid Content of Canine Hair Fibers
Herbal paste and oil extract might improve dog hair quality by retaining lipids.
research Penetration of Cationic Conditioning Compounds into Hair Fibers: A TOF-SIMS Approach
The study found that certain conditioning compounds can penetrate hair and potentially improve its resistance to damage.
research Hair Pores Caused by Surfactants via the Cell Membrane Complex and a Prevention Strategy through the Use of Cuticle Sealing
Surfactants damage hair, but sealing the cuticle can prevent this.
research Effect of Orthosiphon Stamineus Plant Extract on In Vitro Dermal Papilla Cell Proliferation and Ex Vivo Hair Growth
Orthosiphon stamineus extract can significantly boost hair growth and cell proliferation in hair loss patients.
research Suprabulbar Thinning of Hair in Telogen Effluvium
Hair is thinner near the scalp in acute hair shedding conditions.
research The Anti-Flyaway/Frizz Effect by Inducing the Alpha-Helical Structure Transition of Hair
ATG effectively reduces hair frizz without damaging hair strength.
research Human Hair Keratin Responds to Oxidative Stress via Reactive Sulfur and Supersulfides
Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.
research Role of Zinc in Chronic Telogen Effluvium in Serum and Hair of Patients With Alopecia
Low zinc levels in hair and serum are linked to chronic hair loss.
research Interactions Between Damaged Hair Keratin and Juglone as a Possible Restoring Agent: A Vibrational and Scanning Electron Microscopy Study
Juglone from walnut extracts may help repair damaged hair.
research Dataset From the Uniaxial Tensile Testing of Human Curly Hair Fibers Under Different Conditions
Curly hair's strength and flexibility vary with moisture and temperature.
research Reimagining Hair Science: A New Approach to Classify Curly Hair Phenotypes via New Quantitative Geometrical and Structural Mechanical Parameters
A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
research Investigation of Glypican-4 and -6 by Infrared Spectral Imaging During the Hair Growth Cycle
Infrared spectral imaging can effectively study protein distribution in hair follicles during hair growth.
research Testosterone Analysis in Hair
The method shows hair testosterone levels reflect those in saliva, but are affected by various factors and may indicate a risk for heart attack.
research Hair Cortisol Concentrations in Medical Nurses During the COVID-19 Pandemic
Nurses had higher stress levels during intense phases of the COVID-19 pandemic.
research Effects on Hair Texture Improvement of Bleached Hair When Applying Castor Oil
Castor oil improves the texture of bleached hair by increasing its strength.
research Detection of Cortisol, Estradiol, and Testosterone in Archaeological Human Hair from the Dakhleh Oasis, Egypt
Ancient hair can preserve hormones, revealing health and fertility insights.
research Assessment of Hair Surface Roughness by Objective Analysis
Hair care products used for 4 weeks made hair smoother.
research A Mechanical Model of Overnight Hair Curling
Longer time setting curls overnight leads to better curl retention.
research W6: Novelties in Hair Analysis and Interpretation Issues
Hair analysis can be unreliable due to external contamination and varying drug concentrations.
research Platelet-Rich Plasma Stimulates Human Hair Growth In Vitro
Platelet Rich Plasma can help human hair grow in a lab setting.