10 citations,
September 2020 in “Metabolites” Hair color and length affect metabolite profiles in hair, so they should be considered in hair analysis.
[object Object] 8 citations,
November 2020 in “Infant behavior & development” Collecting hair for cortisol analysis is possible in low-income mother-toddler pairs.
8 citations,
April 2020 in “European Journal of Nutrition” Newborns' hair shows how much caffeine their mothers drank during pregnancy.
8 citations,
August 2018 in “Drug testing and analysis” EtG levels in hair decrease significantly after one month of alcohol abstinence.
2 citations,
January 2006 in “International Journal of Cosmetic Science” The study found that certain conditioning compounds can penetrate hair and potentially improve its resistance to damage.
December 2022 in “Kristu Jayanti Journal of Core and Applied Biology (KJCAB)” Scalp hair characteristics vary across different regions of India and can help identify a person's origin.
New methods to classify curly hair types were developed based on shape and strength.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
128 citations,
January 1996 in “Journal of analytical toxicology.” Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.
98 citations,
February 2007 in “Seminars in Cell & Developmental Biology” Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.
72 citations,
February 2011 in “American Journal of Biological Anthropology” The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
18 citations,
May 1992 in “American Journal of Biological Anthropology” Higher androgen levels do not cause baldness in men.
8 citations,
November 2019 in “International Journal of Morphology” Henna dye improves hair cuticle and thickness but effects vary by hair type and health.
7 citations,
July 2021 in “Molecules/Molecules online/Molecules annual” The method can measure vitamin B3 levels in human hair accurately.
2 citations,
December 2021 in “Scientific reports” Scalp hair sweating is a significant predictor of hair cortisol levels.
1 citations,
January 2023 in “International journal of all research education and scientific methods” Hair analysis is better than urine and blood for detecting past drug use.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
April 2017 in “Journal of Investigative Dermatology” Hair loss patterns differ between males and females due to 5 master regulators and JAK-STAT signaling affects hair growth.
51 citations,
January 2004 in “Domestic animal endocrinology” Melatonin implants and long daylight hours alter the timing of hormone release and hair growth in mouflon sheep.
4 citations,
January 2018 in “Forensic Science International” Researchers created a reliable method to detect hair-growth substances in products.
September 2015 in “The European physical journal. E, Soft matter and biological physics/The European physical journal. E, Soft matter” Longer time setting curls overnight leads to better curl retention.
Hair follicles can be used to quickly assess drug effects in cancer treatment.
9 citations,
April 2018 in “Journal of trace elements in medicine and biology” Hair analysis can show nutritional status and environmental exposure, with phosphorus being very stable in hair and differences found based on gender and conditions like depression and autism.
140 citations,
August 2011 in “Biomaterials” Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.
January 2013 in “Food science and technology research” Green tea extract may increase copper levels in mouse hair without affecting liver copper.
3 citations,
December 2019 in “Biomaterials Research/Biomaterials research” Calcium and magnesium in hair increase with age and are higher in adult women.
[object Object] May 2024 in “Journal of trace elements in medicine and biology” Overweight or obese women before pregnancy have lower iron levels in their serum and hair during early pregnancy.
198 citations,
July 2011 in “Cochrane library” Lifestyle changes can improve body composition, excess male hormone levels, and insulin resistance in women with PCOS.
November 2023 in “Biology” Lower hair copper and copper-to-zinc ratio are linked to more severe coronary artery disease.