Hair Efficacy of Botanical Extracts
July 2012
in “
Journal of Applied Polymer Science
”
Studysummary This study found that applying botanical extracts improved the mechanical properties of bleached hair, reducing its permeability and increasing its crystalline content.
Our plain-language summary. Not medical advice or a treatment recommendation. Consult a qualified healthcare professional before changing treatment. Full disclaimer
The study investigated the effects of three botanical extracts on chemically damaged hair, specifically hair that had been bleached. The research demonstrated that these botanical actives improved the mechanical properties of the hair, reduced fiber permeability, and increased the crystalline material within the fibers. The botanical treatments, which included proteins and peptides, sulfated polysaccharides, or a combination of polysaccharides, were effective in protecting and repairing hair fibers. This suggested that such botanical extracts could be beneficial in hair cosmetics aimed at repairing and preventing damage from treatments like bleaching and perming.