February 2009 in “Mayo Clinic proceedings” A woman's new seizures were caused by a brain tumor likely linked to her past cancer treatment, and choosing safe seizure medications is important for women who can have children.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
4 citations
,
August 2021 in “Journal of the Korean Society of Cosmetology” Plasma hairdryers cause less hair damage than regular hot air dryers.
April 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
September 1997 in “International Society of Hair Restoration Surgery”
4 citations
,
August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
10 citations
,
January 2012 in “International Journal of Cosmetic Science” Thioglycolic acid mainly affects the unordered areas in hair structure.
1 citations
,
January 2025 in “International Journal of Cosmetic Science” Age-related hair curvature increases due to internal structural changes from grooming.
Different treatments change the strength and flexibility of human hair.
September 2021 in “Kazanskij medicinskij žurnal” Electrical and chemical skin stimulation can improve hair growth.
40 citations
,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
8 citations
,
March 2020 in “Colloids and surfaces. B, Biointerfaces” Heating hair proteins changes their structure and may improve their blood clotting ability.
January 2003 in “Annals of Dermatology” Iron deficiency can cause hair abnormalities, but taking iron can fix them and stop hair loss.
November 2001 in “PubMed” Perming, combing, and stretching damage hair by reducing keratin.
3 citations
,
January 2018 in “International Journal of Cosmetic Science” Hair stiffness increased by 13.2% after caffeine treatment, validating the Stiffness-Angle Law as an effective measurement method.
7 citations
,
January 1990
Hair styling products can cause skin irritation.
19 citations
,
July 2018 in “ACS biomaterials science & engineering” Bleaching and combing damage hair's surface and mechanical properties.
51 citations
,
March 2001 in “Clinics in dermatology” Bleaching damages hair, making it rougher and weaker.
19 citations
,
January 2015 in “Skin appendage disorders” The report found a new type of hair loss in African-American women that affects more areas of the scalp than previously thought.
16 citations
,
October 2021 in “Trends in biotechnology” Future hair products will use ecofriendly proteins and peptides to improve hair health and appearance.
13 citations
,
April 2016 in “Journal of Visualized Experiments” The method successfully isolates hair follicle stem cells and skin cells from mice for research.
12 citations
,
January 2020 in “Analyst” Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
7 citations
,
January 2017 in “International Journal of Trichology” Chemotherapy and certain hair care practices can cause severe hair matting.
6 citations
,
January 2016 in “International journal of trichology” Children's hair is more elastic, but tensile strength is similar across different factors.
5 citations
,
December 2020 in “International journal of biological macromolecules” Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.
4 citations
,
December 2020 in “Journal of the American Academy of Dermatology” Pulling 2 or fewer hairs is normal for all hair types, including Afro- and Asian-textured hair.
3 citations
,
August 2020 in “PubMed” Some natural ingredients like onion juice, rosemary oil, and pumpkin seed oil may help with hair growth and reducing hair loss.
2 citations
,
May 2022 in “International journal of trichology” Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.