Split face comparison between common concentration vs double dilution of intradermal abobotulinum toxin type A (Dysport) injection for facial lifting in Asians.

Background: The most efficacious concentration of botulinum toxin for facial lifting is not well established.

Objective: This study compared the efficacy of common concentration vs double dilution of intradermal abobotulinum toxin type A (Dysport) injection for facial lifting in Asians.

Methods: In all, 10 women aged 32-61 years with mild to moderate facial laxity participated in this study.