A Phase 1/3 Clinical Trial to Evaluate the Safety and Efficacy of HUTOX Compared to Botox® in Subjects With Moderate to Severe Crow's Feet Lines

Inclusion Criteria: * Bilaterally symmetrical moderate-to-severe CFL at maximum smile on the FWS as rated by the investigator Exclusion Criteria: * Volunteer who has history of any diseases following. (myasthenia gravis, Eaton-Lambert syndrome, amyotrophic lateral sclerosis etc.) * From screening, Subject who get a plastic Surgery within 48 Weeks * Subject who has skin disorder including infection and scar on injection site * Subject who takes a medication including skeletal muscle relaxants, Aminoglycoside, lincomycin, anticholinergic drug, benzodiazepine, benzamide etc. * Subject who takes a medication including anticoagulant, antithrombotic drug except low dose aspirin (below 325 mg/day) * Any condition that, in the view of the investigator, would interfere with study participation