foaming hand soap

Hi, I am trying to make a foaming hand soap with Cocamidopropyl Betaine 35% active. I could have a stable foam only with a high concentration of it, around 25%. I am wondering if it is too high and if there is another way with less amount of surfactants that gives me a good foam.
I would like to use natural surfactants like coco glucoside.
If I used only the betaine the foam is really stable, if I use also coco glucoside the foam is not stable.
The formula I am trying is really basic, still learning:).
coco glucoside (50%) 5%
betaine (35%) 25%
Glycerine 3%
fragrance 0.1%
preservative 0.8%
citric acid to adjust the pH

Thank you

Comments

  • FekherFekher Member, Professional Chemist
    @Michelle76 Even SLES have natural origin in other side even for having coco glucoside it should pass to in industrial process... 
    So SLES is really good alternative for such product 
  • chemicalmattchemicalmatt Member, Professional Chemist
    Easiest trick in the book is to disperse hydroxymethyl cellulose resin (Methocel from DOW) first (0.50%) then add surfactants, and less of that CAPB. The Methocel will keep the foam from collapse.
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