• Formulating

  How to make Hydroquinone Cream stable

  Posted by Anonymous on March 30, 2020 at 2:37 pm

  Can you help me, what the antioxidant in formulation of hydroquinone cream?
  What the buffer solution can we add in that formulation
  Thx…. 

  ngarayeva001 replied 5 years, 2 months ago 2 Members · 2 Replies
• 2 Replies

• 

  OldPerry

  Professional Chemist / Formulator

  March 30, 2020 at 3:16 pm

  To  get useful advice you’ll need to list your whole formula.

• 

  ngarayeva001

  Member

  March 30, 2020 at 4:06 pm

  See above about the formula but in very very general terms when it comes to Hydroquinone: a combination of sodium sulfite and sodium metabisulfite plus passivate the steel. It’s a crucial step.

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