Botox can subtly soften an angry or tired look by relaxing muscles that pull the brows down

https://www.scribd.com/document/939003725/Botox-Basics-What-to-Expect-from-Your-First-Botox-Appointment-166850

Botox can subtly soften an angry or tired look by relaxing muscles that pull the brows down, helping you appear more approachable.