Botox does not affect all wrinkles equally; static wrinkles from sun or age may need resurfacing or filler

https://www.scribd.com/document/967952213/Expired-Botox-Risks-What-Patients-Need-to-Know-179921

Botox does not affect all wrinkles equally; static wrinkles from sun or age may need resurfacing or filler, while dynamic lines respond best to neuromodulators.