research Human Hair and the Impact of Cosmetic Procedures: A Review on Cleansing and Shape-Modulating Cosmetics
Future hair cosmetics will be safer and more effective.
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150-180 / 703 resultsresearch Potential use of human hair shaft keratin peptide signatures to distinguish gender and ethnicity
Keratin peptides in hair might help identify gender and ethnicity.
research No difference in the proteome of racially and geometrically classified scalp hair sample from a South African cohort: Preliminary findings
Hair protein composition is similar across different races and shapes.
research Influence of external factors on hair cortisol concentrations
External factors can significantly affect hair cortisol levels, so it's not always a reliable stress marker.
research Detection of testosterone propionate administration in horse hair samples
Hair analysis can detect testosterone in horses after drug administration.
research Bioinspired peptides designed for hair perming and dyeing with potential for repair
PepACS offers a safer, eco-friendly way to perm, dye, and repair hair.
research A chemist's view of the analysis of human hair for trace elements
Analyzing trace elements in human hair is complex and needs a standardized method.
research Hair analysis for veterinary drug monitoring in livestock production
Hair analysis is promising for detecting drug misuse in livestock.
research Endogenous steroid hormones in hair: Investigations on different hair types, pigmentation effects and correlation to nails
Body hair isn't a good substitute for scalp hair in steroid analysis.
research UPLC-MS/MS method for the simultaneous quantification of caffeine and illicit psychoactive drugs in hair using a single-step high-speed grinding extraction – Insights into a cut-off value for caffeine abuse
The conclusion is that a new method can measure caffeine and drugs in hair, finding caffeine abusers have 70 times more caffeine than normal, with a proposed cut-off value for abuse.
research O13: Interpretation of hair ethyl glucuronide inter-individual factors from large population dataset
Older age increases positive hair alcohol test results, and chest hair is a good alternative for testing; season affects results, with higher levels in winter.
research Regionalisation of the skin
Skin varies in thickness, color, and features due to complex genetic and cellular processes.
research Is increased constitutive skin and hair pigmentation an early sign of puberty?
Darker skin in 10-year-old girls may be an early sign of puberty.
research Nanomaterials in hair care and treatment
Nanomaterials can improve hair care products and treatments, including hair loss and alopecia, by enhancing stability and safety, and allowing controlled release of compounds, but their safety in cosmetics needs more understanding.
research CuCS/Cur composite wound dressings promote neuralized skin regeneration by rebuilding the nerve cell "factory" in deep skin burns
The CuCS/Cur wound dressing helps regenerate nerves and heal deep skin burns by rebuilding hair follicles.
research A guide to the use of bioassays in exploration of natural resources
Bioassays help find useful compounds in nature for making medicines, supplements, and cosmetics.
research The immunology of the porcine skin and its value as a model for human skin
Porcine skin is very similar to human skin, making it a useful model for research.
research A preliminary study of steroid reproductive hormones in human hair
Human hair can be used to measure reproductive hormones.
research Epitestosterone
Epitestosterone may counteract testosterone's effects and has roles in body processes like prostate growth and hair distribution.
research Comparison of methanol and isopropanol as wash solvents for determination of hair cortisol concentration in grizzly bears and polar bears
Methanol is better than isopropanol for washing grizzly bear hair to measure cortisol.
research Tryptophan in human hair: correlation with pigmentation
Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
research Within-person changes of cortisol, dehydroepiandrosterone, testosterone, estradiol, and progesterone in hair across pregnancy, with comparison to a non-pregnant reference group
Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.
research Phytochemicals and novel delivery systems in alopecia management: An integrative review
Combining herbal medicines with modern delivery systems may improve alopecia treatment.
research Phenol in dermatology: updated evidence on efficacy and safety
Phenol is effective for skin treatments but poses serious health risks and must be used cautiously by trained doctors.
research The Effects of Single Testosterone Administration and Stress Induction on Steroid Hormone Levels in Hair
Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
research Thallium - poisoner’s poison: An overview and review of current knowledge on the toxicological effects and mechanisms
Thallium is highly toxic, causing severe health issues, and Prussian blue is the best antidote.
research Demonstrating the potential of untargeted hair proteomics for personalized biomarkers in stress-associated disorders
Hair proteomics could be a useful, non-invasive tool for identifying stress-related disorders.
research Evaluation of the predictive capacity of DNA variants associated with straight hair in Europeans
Certain DNA variants can predict straight hair in Europeans but are not highly specific.
research Dose–hair concentration relationship and pigmentation effects in patients on low-dose clozapine
Clozapine levels in hair reflect dosage and bind more to pigmented hair.
research Treatments against hair loss may hinder cocaine and metabolites detection
Minoxidil can make it hard to detect cocaine in hair tests.