31 citations
,
February 2020 in “BioMed Research International” Thai people's hair density decreases with age and varies by scalp area, but hair thickness stays the same regardless of age or scalp area.
3 citations
,
June 2021 in “Journal of affective disorders” Hair cortisol and cortisone levels may affect how work stress influences depression in Chinese fishermen.
19 citations
,
July 2018 in “ACS biomaterials science & engineering” Bleaching and combing damage hair's surface and mechanical properties.
NaOH treatment improves hair strength and suitability for textiles.
59 citations
,
November 2015 in “International Journal of Cosmetic Science” Oxidative stress damages hair and contributes to aging, and managing it can help maintain hair health.
66 citations
,
July 2015 in “Journal of Molecular Biology” The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.
May 2026 in “International Journal of Versatile Research and Analysis” Air wedge interferometry is a precise, cost-effective way to measure hair thickness.
December 2021 in “Journal of natural fibers” The conclusion is that new methods for isolating hair cuticle cells and removing the cuticle layer are effective and convenient.
22 citations
,
July 2006 in “Annals of The Royal College of Surgeons of England” Hair or fiber wrapped tightly around a toe can lead to serious injury if not treated quickly.
73 citations
,
April 2019 in “Experimental Dermatology” The scalp's microorganisms significantly affect hair health and disease.
3 citations
,
December 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” The research reveals how early embryonic mouse skin develops from simple to complex structures, identifying various cell types and their roles in this process.
Using enzymes to link proteins makes hair repair treatments more effective and long-lasting.
22 citations
,
June 1980 in “International Journal of Dermatology” The document concludes that correct diagnosis of alopecia types is crucial, scalp biopsies are important, and more research is needed.
226 citations
,
January 2006 in “International review of cytology” Keratin-associated proteins are crucial for hair strength and structure.
30 citations
,
August 2004 in “British Journal of Plastic Surgery” Chest hair can be successfully used for scalp hair transplants, growing longer like scalp hair.
July 2009 in “International Society of Hair Restoration Surgery” Dividing hair grafts may make hair look fuller, but more research is needed.
16 citations
,
October 1992 in “Journal of cutaneous pathology” Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
February 2025 in “BMC Genomics” Melatonin improves cashmere quality and yield in goats by enhancing hair follicle development.
December 2023 in “Medical & Clinical Case Reports Journal” Ayurvedic treatment, including leech therapy, can effectively regrow hair in alopecia areata.
38 citations
,
May 2000 in “Livestock production science” Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
Hair can naturally regain color after greying, and this change may be linked to stress levels.
Hair can naturally regain color, and stress might influence greying and its reversal.
136 citations
,
July 2014 in “Proceedings of the National Academy of Sciences of the United States of America” FGF5 gene mutations cause unusually long eyelashes by affecting hair growth regulation.
65 citations
,
March 2017 in “Experimental Dermatology” Curly hair is influenced by specific genetic variations.
12 citations
,
October 2018 in “Biotechnology reports” Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.
4 citations
,
October 2007 in “PubMed” Polyquaternium-70 shampoo is best for reducing frizz.
February 2024 in “Journal of Dermatological Science” Curved hair can develop when hair cells merge abnormally during growth.
February 2024 in “Animals” Giving selenium yeast to pregnant goats leads to better hair growth and cashmere quality in their babies.
January 2024 in “Indian Journal of Pharmaceutical Sciences” Relaxing certain muscles might straighten curly hair.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.