Neck wrinkle fix: filler study compares two injection methods
Symptom relief
Completed
This study tests Restylane Refyne, a hyaluronic acid filler, for treating horizontal neck lines in adults with mild to moderate wrinkles. Each participant receives the filler on one side of the neck with a cannula and on the other side with a needle, allowing a direct comparison.…
Phase: NA • Sponsor: Siperstein Dermatology • Aim: Symptom relief
Last updated Jul 18, 2026 00:00 UTC