7 citations,
August 2023 in “Ageing Research Reviews” More research is needed to understand hair aging and develop effective treatments.
2 citations,
June 2018 in “Cosmetics” AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.
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8 citations,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
42 citations,
January 2009 in “Colloids and Surfaces B: Biointerfaces” A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.
7 citations,
October 2015 in “American Journal of Primatology” Monkeys with hair loss during pregnancy showed higher stress hormone levels and invested differently in their offspring.
10 citations,
May 2018 in “Forensic Science International” Shrunken heads retain some facial features and hair characteristics, allowing for limited individual identification.
11 citations,
January 2014 in “The Scientific World Journal” Cynatine HNS improves hair and nail quality in 90 days.
25 citations,
May 1972 in “Canadian journal of zoology” Black-tailed deer have four types of pelages and molt twice a year.
5 citations,
May 2021 in “International Journal of Cosmetic Science” Healthy scalp leads to better hair quality and less damage.
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.
3 citations,
December 2013 in “Journal of Dermatology” Scanning electron microscopy revealed four distinct hair root shapes in alopecia areata, suggesting a less invasive diagnostic method.
3 citations,
May 2014 in “InTech eBooks” Copper deficiency may cause hair loss, and treating it could involve nutrition and hormones.
1 citations,
February 2024 HPV6/11 is often found in hair of men with anogenital warts, especially pubic hair, and can lead to recurrent warts.
1 citations,
November 2019 in “Applied sciences” Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.
November 2023 in “Journal of the Taiwan Institute of Chemical Engineers” Scientists made nanoparticles from human hair proteins to improve drug delivery.
66 citations,
April 2002 in “Journal of The American Academy of Dermatology” Finasteride increases hair weight and count in men with hair loss.
102 citations,
January 2003 in “Dermatology” Smoking may contribute to hair loss in men.
September 2022 in “Research Square (Research Square)” Hydrocolloid wound dressings emit energy that can affect human hair follicle metabolism.
November 2020 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Certain genetic variants in PRLR and PCCA genes may lead to shorter hair in cattle, which could help with heat tolerance.
24 citations,
May 2013 in “Drug Design Development and Therapy” Multimodal minoxidil microemulsion is more effective in treating hair loss than minoxidil alone.
24 citations,
September 1997 in “PubMed” Loose anagen hair can appear at any age and may improve over time.
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30 citations,
April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
188 citations,
June 1998 in “Molecular cell” Researchers created a mouse with the same mutation as humans with trichothiodystrophy, showing similar symptoms and confirming the condition is due to defects in DNA repair and gene activity.
10 citations,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
3 citations,
April 2011 in “Microscopy research and technique” Teratoma hair is similar to scalp hair but has a rougher surface and lower adhesive force.
9 citations,
May 2021 in “BioMed research international” Human hair-derived particles can effectively carry and release the cancer drug Paclitaxel in a pH-sensitive manner, potentially targeting cancer cells while sparing healthy ones.
4 citations,
June 2022 in “Journal of cleaner production” New eco-friendly method strengthens and sets hair using light and causes less damage.
August 2023 in “Journal of Health and Beauty” K-30 treatment restores protein and weight in damaged hair, making it similar to healthy hair.
13 citations,
April 2018 in “Scientific Reports” The genes KRT25 and SP6 affect curly hair in horses, with KRT25 also causing hair loss. If both genes are mutated, the horse gets curly hair and hair loss. KRT25 can hide the effect of SP6.
February 2024 in “BioMetals” Heavy metals like arsenic, cadmium, and lead can increase cancer risk and worsen outcomes.