In vivo study, Topical Argireline 10% is applied on lateral preorbital area twice daily for 30 days. The result demonstrates a significant anti-wrinkle activity by decreased skin wrinkle 30%. These findings demonstrate a significant anti-wrinkle activity for Argireline, in agreement with its in vitro and cellular activities. Topical Argireline represents a bio-safe alternative to BoNTs in anti-wrinkle therapy.