Bruxism is a recognised medical condition, not simply a nervous habit. For moderate to severe cases, therapeutic injectables have become one of the most clinically substantiated interventions available.

This guide outlines the relevant anatomy, how to distinguish between common causes of under-eye changes, and where volume correction may have a limited role within a broader treatment plan. 

If you’ve ever searched "Rejuran how long to see results", the short answer is that change is staged rather than instant. Early refinement is followed by deeper structural improvement over months.