Is it possible to get another "brand" injected in the lips, once you have used one type for 2 years?

For 2 years now i got injected with Surgiderm 30 XP in my Lips and i would like to have a softer filler in there. I recently got them done about 3 weeks ago and i would like to know if it is possible to inject a filler named Regenyal Idea Lips or if i have to wait a certain time before getting another lip injection. Would there be any problems with mixing these 2 fillers?

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