Home Cosmetic Science Talk Formulating Hair anionic surfactants with cationic guar gum

  • anionic surfactants with cationic guar gum

    Posted by Szilvia on February 8, 2021 at 8:43 pm

     I recently started my natural cosmetic formulating course with chemist corner so I am at the beginning of my formulation journey. 
    I made a liquid shampoo using anionic and non-ionic surfactants with cationic guar gum. I really like how its consistency turned out. However I know the fact that anionic and cationic surfactant are not compatible together. Does this rule apply to other ingredients as well? The shampoo looks pretty stable after 48 hours. What should I expect? Any instability later? 

    chemicalmatt replied 3 years, 6 months ago 5 Members · 5 Replies
  • 5 Replies
  • Abdullah

    Member
    February 9, 2021 at 1:49 am

    No it doesn’t apply to cationic guar

  • Szilvia

    Member
    February 14, 2021 at 1:05 am

    Brilliant. Thank you!

  • Andraous

    Member
    May 1, 2021 at 6:28 pm

    You can use SLES and non anionic surfactant with guar
    You can find this info also at the label of any shampoo. 

  • EVchem

    Member
    May 6, 2021 at 4:31 pm

    Can anyone explain why this isn’t incompatible? Does it have to do with molecular size?  My thought is guar gum is polymeric while the surfactants are relatively smaller molecules so they cannot form precipitates 

  • chemicalmatt

    Member
    May 7, 2021 at 9:03 pm

    With strong anionic surfactants and cationic polymers such as Guar HPTC, it is always best to add a hydrotrope with it, otherwise the coacervation will be less than good. Common amphoterics such as cocamidopropyl hydroxysultaine or sodium cocoamphoacetate do this job cheaply and well.

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