This study will aim to assess the safety and how effective the next generation of BTX-AHAC (BTX-A-HAC NG) with an injectable liquid formulation is for improving the appearance of lines (wrinkles) between the eyebrows (glabellar area) after repeated treatment The objective of the study is to assess short-term efficacy and safety of a single treatment of BTX-A-HAC NG over placebo for the improvement in the appearance of glabellar lines and to assess the lon...

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