• Formulating

  Thickening with Hydroxypropyl Methyl Cellulose

  Posted by Ichlas on August 24, 2020 at 2:51 am

  Hi all. I am currently developing a liquid soap, and i am using HPMC as the thickening agent. It gives a pseudo plastic and stringy/slimy consistency. This stringy consistency is undesirable, I’d really appreciate any suggestion how to get rid of the stringy consistency (or any other thickening system recommendation). Thanks!

  EVchem replied 4 years, 2 months ago 2 Members · 3 Replies

  • cellulose
  • thickening agents
• 3 Replies

• 

  EVchem

  Member

  August 27, 2020 at 3:04 pm

  It will depend on what else is in your formula and what pH. Is it a true soap or just surfactants?

• 

  Ichlas

  Member

  August 28, 2020 at 12:06 pm

  EVchem said:

  It will depend on what else is in your formula and what pH. Is it a true soap or just surfactants?

  It is a true soap. For now, the formula only consists of fatty acids, KOH, Na4EDTA, Glycerin, HPMC. The pH is around 9.3

  Do you think soap from saponification can be thickened with salt like syndet? Because I’ve tried adding CAPB and/or non-ionic surfactant as a co-surfactant and then salt, but it didn’t thicken.
• 

  EVchem

  Member

  August 28, 2020 at 3:09 pm

  According to this site  it can if you have high oleic acid

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