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oh, I wish somebody would answer the question! I would like to use it in my serum as a preservative, but probably it would be better to use as a combination with some other preservative? Aspin Bark Extract % + [another preservative] % would be perfect...

Eden, did you get to use Aspen Bark preservative? I have a little experience in skin care production, I would say I'm almost new. Very interested in Aspen Bark Extract, looking for the info about some real use of this preservative in creams, lotions, or serums. If you tried it could you share...