I was injected with Dysport 4-1/2 weeks ago in glabellar, forehead areas. Don't know how many units, but went with what the doctor recommended. Had a nice effect in both areas, took between 1-2 weeks. Was pleased. However, just in the last few days, I see an increase in the lines of the forehead, almost as if it is already wearing off. I have been injected by a different provider several years ago, but with Botox, and never had this problem. What could be the possible cause/s for this?
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