- Comparison of four botulinum toxin A formulations for treating glabellar lines.
- Abobotulinum toxin A and prabotulinum toxin A showed the fastest onset.
- Sustained results at 6 months seen with prabotulinum toxin A and incobotulinum toxin A.
- Objective, comparative data provided for botulinum toxin A performance over time.
- Use of 3D imaging to measure facial muscle strain.
- Improvement in patient-reported outcomes in all groups.
- No adverse events reported during the trial.
Source: JAMA Dermatology
