The Line of Convergence in the Frontalis 💉 The frontalis doesn’t contract as one flat sheet — it converges toward a central line. This line of convergence is where muscle vectors meet, and it’s critical for safe, natural-looking toxin results. ✔️ Injecting without respecting convergence causes asymmetry ✔️ Correct placement preserves expression while softening lines When you understand how the frontalis pulls and converges, you stop freezing foreheads and start balancing movement. 📲 Learn anat