30% Salicylic Acid Peel - Crystals??
Hello All,Hope someone can offer some help on this. I made a 30% Salicylic Acid Peel solution (I made about six bottles, 120 ml ea) and the next day there were crystals at the bottom that formed. What could have caused these crystals.I added the Salicylic Acid, powder form, in SDA 40, added a little heat until acid dissolved and then added NaOH to adjust pH.Any advise?Also, if I made this un-buffered and did not use NaOH to adjust pH, maybe I could avoid this next time?Thank you!
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