• Formulating

  Thickening of Carbomer in Witch Hazel water with ethanol and methyl paraben.

  Posted by Sapphire on November 18, 2023 at 12:14 pm

  What is the best way to thicken Carbomer in a witch Hazel formulation also containing ethanol. Is it better to use a homogeniser to mix in the Carbomer to help it thicken? Does adding sodium hydroxide help?

  Perry44 replied 1 week, 3 days ago 2 Members · 1 Reply
• 1 Reply

• 

  Perry44

  Administrator

  November 19, 2023 at 7:49 am

  You don’t use a homogenizer with Carbomer. You don’t want to use Sodium Hydroxide as the sodium can interfere with the working of the carbomer. You need to use something like Triethanolamine or AMP to neutralize the carbomer.

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