What Is the RHA® Collection?
- RHA stands for Resilient Hyaluronic Acid.
- Developed in Switzerland by Teoxane, and brought to the U.S. by Revance Aesthetics.
- FDA-approved in the U.S. in 2020.
- It's the first and only HA filler approved for dynamic facial wrinkles and folds (i.e., wrinkles that form with facial movement).
What Makes RHA Fillers Different?
More natural cross-linking of HA molecules:
- Preserves HA’s natural structure better than traditional fillers.
- Allows more flexibility and integration into facial tissues.
Designed to move with your face:
- Ideal for dynamic areas like around the mouth, cheeks, and nasolabial folds.
- Reduces the risk of stiffness or a "frozen" look.
Cleaner formulation:
- Fewer chemical modifications mean lower risk of inflammation or foreign-body reactions.
Longevity:
- Lasts up to 15 months (varies by area and metabolism).
- Patients often report longer-lasting results than with traditional fillers like Juvederm or Restylane.

Risks & Side Effects
Similar to other HA fillers: Swelling, redness, bruising, tenderness at injection site
Rare risks: Nodules, allergic reaction, vascular occlusion (should be handled by a skilled injector)
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