18 citations
,
July 2015 in “Journal of cosmetic dermatology” Straightening and coloring hair, especially with sodium hydroxide, greatly increases protein loss.
2 citations
,
January 2011 Relaxers straighten African hair by breaking down its helical structure using strong bases.
8 citations
,
October 2014 in “Journal of analytical toxicology.” Chemical hair straightening significantly reduces detectable drug levels in hair.
1 citations
,
December 2016 in “Trichology and cosmetology:” Panax ginseng might help with hair growth and has fewer side effects than synthetic treatments.
Yak hair stretches mainly due to macromolecules slipping past each other.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
February 2019 in “PubMed” The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.
25 citations
,
May 2008 in “Journal of cosmetic dermatology” Conditioning agents, especially jojoba oil and lauryl PEG/PPG-18/18 methicone, protect and strengthen chemically straightened Afro-ethnic hair.
1 citations
,
January 2013 in “PubMed” Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
34 citations
,
March 2012 in “Circulation” Bridging anticoagulation may raise post-surgery bleeding risks.