I had Botox injections in February this year but the result have not been anywhere as effective as the two previous occasions. I have deep lines when I smile (static ones when not but less obvious) and my doctor says that she used 21 units per side which I think is pretty high (even for a male) but 2 months on my lines are as per my picture. Do I need to ask for an even higher number of units or do I have to accept that it just doesn't work for me anymore?
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