May 2024 in “Ultramicroscopy” Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.
24 citations
,
November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
45 citations
,
December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
20 citations
,
December 2012 in “Journal of molecular structure” The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
6 citations
,
October 2003 in “Journal of applied polymer science” A new method using poly(ethylene imine) improves hair dyeing at lower temperatures with better color retention.