A conservative approach to Botox is often best initially; adjustments can be made at follow-up for fine-tuning once
https://www.scribd.com/document/984678840/The-Science-of-Onset-Why-Forehead-Responds-Faster-Than-Masseter-181603
A conservative approach to Botox is often best initially; adjustments can be made at follow-up for fine-tuning once results settle after two weeks.