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.
January 2007 in “Proceedings of the Korean Fiber Society Conference” New resin B makes artificial hair fibers hold curls longer than traditional resin A.
7 citations,
January 2013 in “Indian Journal of Plastic Surgery” Body and beard hair can be used for hair transplants in baldness treatment but keep their original color and curl.
[object Object] Black hair's diversity in patterns and textures is influenced by follicle shape and keratin, and it holds cultural, artistic, and mathematical significance.
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.