How many units of hyaluronidase is it safe for stubborn voluma? can i use 200/250 in one area for safe removal?

i tried to reversw it 11 times, minimal improvement. dr was using too few units. i can see where voluma is but nor the skin layer where it was injected. would it be safe touse original injector (who used small ineffctive amounts of 100) and use /250 units vitrase diluted in the same spot (.70 ml. voluma). even 200 undiluted did not work (but it was not with my injector) and lump still there, face asymmetrcal. voluma it isxin my buccal hollow / submalar under the smas.

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