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.
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540-570 / 1000+ results research Determination of traces of silver in human scalp hair slurries by electrothermal atomic absorption spectrometry
research GC-MS determination of steroids related to androgen biosynthesis in human hair with pentafluorophenyldimethylsilyl–trimethylsilyl derivatisation
The method accurately measures certain steroids in human hair, showing different levels in males and females.
research Controversies: Where Business Meets Medicine
The conclusion cannot be provided because the document is not accessible.
research The Degradative Characteristics of Hair in The Water Samples with Altered pH
Hair fibers degrade and change color in very basic water.
research [Effects of perming, combing and stretching on hair keratins].
Perming, combing, and stretching damage hair by reducing keratin.
research Attempted construction of minoxidil: carboxylic acid cocrystals; 7 salts and 1 cocrystal resulted
Made 8 minoxidil samples; 1 cocrystal, 7 salts formed.
research The Bio-Safety Concerns of Three Domestic Temporary Hair Dye Molecules: Fuchsin Basic, Victoria Blue B and Basic Red 2
These temporary hair dyes may be harmful to human health.
research Attitudes and perceptions towards the safety and efficacy of commonly used cosmetic and lifestyle products: Social media analysis
People have mixed feelings about rosemary, Sudocream, and antidandruff shampoo, with both positive and negative views.
research Niosomal versus cubosomal gels of cetirizine hydrochloride: Cost-effective permeation enhancement for potential transdermal application
Cubosomal gels enhance skin absorption of cetirizine better than niosomal gels.
research The toughening transition in hair keratin
The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.
research Atroposelective Synthesis of Biaryl N‐Oxides via Cu‐Catalyzed De Novo Heteroaromatic N‐Oxide Ring Formation
A new method efficiently creates biaryl N-oxides with potential for cancer treatment and drug development.
research Predictive Skin Permeation of Ethinylestradiol,α-Asarone,Finasteride and Risperidone
The Potts-Guy model best predicts skin permeability for the tested drugs.
research Anti-acne drugs in phase 1 and 2 clinical trials
New anti-acne medications are being tested to offer alternatives to current treatments.
research Evaluation of an eucalyptus oil containing topical drug delivery system for selected steroid hormones
The eucalyptus oil system improved skin delivery of hormones, but safety concerns remain.
research Thermal Analysis of the Straight Permed Hair
Straight permed hair loses weight faster than virgin hair when heated, but ends up heavier after burning.
research Characterization of the lipid composition at the proximal root regions of human hair
Human hair contains various lipids that vary among individuals and help protect the hair.
research The location of the thioglycolic acid molecules in intrafibrillar unordered areas of the human hair keratin structure
Thioglycolic acid mainly affects the unordered areas in hair structure.
research Flexabrasion Applied to the Evaluation of the Photodegradation of Hair Fibers
research Regarding Propofol-Ketamine and Propofol-Fentanyl Sedation Technique
Propofol-ketamine and propofol-fentanyl are effective and safe for cosmetic surgery sedation.
research Cheating on forensic hair testing? Detection of potential biomarkers for cosmetically altered hair samples using untargeted hair metabolomics
Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
research Effects of chemical straighteners on the hair shaft and scalp
Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.
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 Transcriptome sequencing and identification of cytochrome P450 monooxygenases involved in the biosynthesis of maslinic acid and corosolic acid in <i>Avicennia marina</i>
Researchers found two enzymes in Avicennia marina that help produce maslinic acid and corosolic acid, which have medicinal benefits.
research Effects of permanent waving on changes of protein and physicomorphological properties in human head hair.
Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.
research More on Saline
research Sampling Trial Showed S-equol Supplementation Helped Relieve Menopausal Symptoms (P06-111-19)
S-equol supplements significantly reduced menopausal symptoms in most women.
research Null Mutation of 5α-Reductase Type I Gene Alters Ethanol Consumption Patterns in a Sex-Dependent Manner
research A systematic review on the lipid composition of human hair
Lipids are crucial for healthy hair, protecting it from damage and breakage.
research Measurement of Hair Cortisol as a Retrospective Stress Marker: Effects of Prewashing, Pulverization, Temperature, and Sonication
Pulverization extracts more cortisol from hair, but any method works due to individual differences.