New wrinkle treatment could smooth frown lines without mixing
Symptom relief
Ongoing
This study tests a new liquid form of botulinum toxin (AI-09) that is ready to use without mixing. It aims to reduce moderate to severe frown lines between the eyebrows in adults aged 20 to 70. The treatment is injected directly into the skin, and researchers will check how well …
Phase: PHASE2 • Sponsor: Eirion Therapeutics Inc. • Aim: Symptom relief
Last updated May 11, 2026 20:39 UTC