• Formulating

  Tretinoin and BHT

  Posted by Anonymous on February 21, 2020 at 11:56 am

  I am currently trying to work on a Tretinoin topical gel and I would like to get some thoughts and expertise on the amount of BHT (butylated hydroxytoluene) I need to use. How do I need to figure out the correct ratio needed ? The two formulations 0.025% and 0.05% ‘ does that mean i have to double the amount of BHT when I am working on the 0.05%

  Thanks for you help

  Anonymous replied 4 years, 8 months ago 0 Member · 0 Replies
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