25 citations,
June 2012 in “Endocrine” PCOS may start before birth, involves metabolic issues, and can be treated with drugs like metformin and lifestyle changes.
24 citations,
November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
24 citations,
July 2011 in “PubMed” Thyroid hormones affect skin texture, hair and nail growth, and can cause skin diseases related to thyroid problems.
24 citations,
June 2011 in “International Journal of Dermatology” Most pregnant women experience skin changes like darkening and itching, while serious skin conditions are rare but need early treatment.
23 citations,
August 2019 in “Proceedings of the National Academy of Sciences of the United States of America” Pollution exposure speeds up hair damage.
23 citations,
June 2017 in “Rejuvenation Research” Minoxidil treatment increases aorta elasticity and reduces stiffness in aged mice, potentially helping with age-related heart issues.
17 citations,
June 2019 in “Cellular signalling” Minoxidil helps protect and rebuild elastic fibers in arteries, improving artery function, especially in older females.
17 citations,
November 2017 in “Asian-Australasian journal of animal sciences” Certain gene mutations are linked to wool quality in sheep and could help in breeding for better wool.
11 citations,
February 2019 in “Frontiers in Physiology” Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.
9 citations,
July 2020 in “Experimental Dermatology” Topical L-thyroxine may help with wound healing and hair growth but should be used short-term due to potential risks.
7 citations,
August 2018 in “Journal of cosmetic dermatology” Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.
3 citations,
January 2021 in “Wear” Hair's resistance to wear varies by ethnicity and treatment, with less wear indicating stronger hair.
3 citations,
January 2015 in “Mathematical problems in engineering” Hair damage increases significantly with higher temperatures and longer heating times.
November 2023 in “International Research Journal of Modernization in Engineering Technology and Science” Herbal shampoos clean and improve hair naturally without harmful side effects.
January 2023 in “International Journal of Research Publication and Reviews” Some herbal ingredients like linalool and tea tree oil have anti-dandruff properties and are safe for use in shampoos.
Hair keratin treatments can be harmful, potentially causing health issues like skin reactions and cancer.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
November 2023 in “Cosmetics” Rice derivatives in conditioners protect and improve hair health.
February 2022 in “Fibers” Scientists created a non-toxic, sugar-based hair product that can style hair without damage.
37 citations,
October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
15 citations,
October 2004 in “Colloids and surfaces. B, Biointerfaces” Holes in mature hair are likely caused by the removal of substances during hair care.
6 citations,
June 1976 in “Journal of ultrastructure research” Keratinized wool cells still have some organelles like lysosomes and mitochondria.
3 citations,
July 2023 in “Acta Biomaterialia” PepACS offers a safer, eco-friendly way to perm, dye, and repair hair.
1 citations,
April 2021 in “IntechOpen eBooks” The PCR technique can identify genetic differences in a wool-related gene among different sheep breeds, which may help improve wool and pelt quality.
KRTAP6 genes affect wool quality in sheep.
73 citations,
October 2013 in “International Journal of Cosmetic Science” Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.
53 citations,
July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
29 citations,
June 2020 in “International Journal of Molecular Sciences” Notch signaling disruptions can cause various skin diseases.
14 citations,
May 2017 in “InTech eBooks” Hair is important for protection, social interaction, and temperature control, and is made of a growth cycle-influenced follicle and a complex shaft.
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.