• Formulating

  Gel disodorant get liquid

  Posted by Dilfre on July 6, 2016 at 9:32 pm

  Hello Dear team. I’m developing a deodorant anti transpiration and the Gel base becomes liquid when fase of pre mixed actives is added. Please help me. Why the Gel is dissolved? 
  the formula is:

  GEL BASE
  distiled Water 48,95%
  CARBOPOL 940 0,50%
  NIPACIDE bit 0,05%
  TRIETALOLAMINE 0,50%

  Actives pre mix
  AGUA DESTILADA 16,60%
  ETANOL 23,00%
  Sodium bicarbonate 2,70%
  Potasium Alum 2,70%

  after mix precedent gel and liquid, finaly fragance is added

  Fragance 5,00%
  TOTAL 100,00

  Dilfre replied 7 years, 9 months ago 2 Members · 5 Replies

  • deodorant
  • hydrogel
• 5 Replies

• 

  Dilfre

  Member

  July 6, 2016 at 9:41 pm

  the gel becomes liquid and remains a grease white precipitate.

• 

  Bobzchemist

  Member

  July 7, 2016 at 2:12 pm

  Too much electrolyte for the carbopol to tolerate. The precipitate is the carbopol kicking out. You’ll need to find a more electrolyte-tolerant thickener.

• 

  Dilfre

  Member

  July 7, 2016 at 2:33 pm

  thanks Bob , <i will try today an alternate formula using creme base instead of gel base. formula is:
  `Fase 1

  tap water  32,07%

  GENAPOL lro 28%  0,31%

  CMCSodium 0,31%

  NIPACIDE 0,06%

  Fase 2

  Cetilic Alcohol 9,45%

  mineral Oil 16,40%

  HOSTAPHAT 1,90%

  Fase 3

  Etanol 25,00%

  Sodium Bicarbonate 6,00%

  Potasium Alum 6,00%

  Fragance 2,50%

  TOTAL 100,00
• 

  Anonymous

  Guest

  July 28, 2016 at 2:53 pm

  I would use for the gel , guar gum, and would allow you to use Active low pH and electrolyte solve the problem
• 

  Dilfre

  Member

  July 28, 2016 at 4:38 pm

  thanks Bob and AJRC , I’m running test with Xanthan and guar gums. I will adjust the pH with trisodium citrate and citric acid.

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