June 2017 in “University of the Arts London Research Online (University of the Arts London)” Polymers help reduce damage and improve bleached hair when used during or after bleaching.
Oxidized hair can naturally regain strength and stability over six months.
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
Chemical treatments weaken hair's thermal stability and structure.
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January 2011 Relaxers straighten African hair by breaking down its helical structure using strong bases.