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Process for Semipermanent Straightening of Curly, Frizzy or Wavy Hair

SpecialChem / Jul 17, 2013

The present patent application for industrial invention relates to a process used to straighten curly, frizzy or wavy hair semipermanently, which is based on the combined use of glyoxylic acid and a temperature higher than 150.degree. C. The structure of human hair fiber (or hair) is well described in. US 6517822B1. The techniques that are currently used to straighten curly or frizzy hair can be g

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