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Heating actives
hey guys
Formulating a w/o face cream for dark spots/ uneven skin tone. I know that actives should be added the end of the formula but my actives are water soluable and can tolerate heat. To be on the safe side does it make a difference when I add them?
Water phase=aqua, propylene glycol, nicinamide2%, licorice root extract 1%, magnesium ascorbyl phosphate 2%
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