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How RHA Fillers Work
RHA stands for resilient hyaluronic acid. The gels are manufactured using a gentler process that preserves more of the natural structure of the hyaluronic acid molecule, producing a filler that is more elastic than conventional formulations.
In practice that means the gel deforms as you smile or speak and returns to shape afterward, rather than resisting the movement. In dynamic areas that difference is visible.
Who RHA Is For
RHA suits patients concerned about looking treated when they move:
- Lines from nose to mouth (nasolabial folds)
- Perioral lines and the lower face generally
- Lips, where natural movement matters most
- Highly expressive faces
What to Expect
Treatment takes 30 to 45 minutes. Topical numbing is applied and the products contain lidocaine. Placement is by needle or cannula depending on the area.
Results are immediate, with swelling in the first few days.
Aftercare
Swelling and possible bruising for three to seven days, more noticeable in the lips. Ice on the first day, avoid strenuous exercise and alcohol for 24 to 48 hours.
Assess the final result at two weeks. Duration is typically twelve to eighteen months depending on product and area.
Session Length
30 to 45 minutes
Downtime
30 to 45 minutes
Session Count
One session, with touch-ups as needed
Results Timeline
Immediate, settling at two weeks
Results Duration
Twelve to eighteen months depending on product and area
Device or Brand
RHA® Collection (Revance)
FDA Status
FDA approved dermal fillers, with indications varying by product
Frequently Asked Questions
What makes RHA different?
Its elasticity. RHA gels stretch and recoil with facial movement rather than resisting it, which suits areas that are constantly in motion.
Is RHA better for lips?
Many injectors favor it in the lips for exactly that reason. Your provider will recommend based on the look you want.
Can RHA be dissolved?
Yes. It is a hyaluronic acid filler and can be reversed with hyaluronidase.
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Dr. Todd A. Besnoff, MD
Medical Director
Top Doctor in Tampa Bay
Dr. Besnoff has been referred to as one of the Top Doctors in Tampa Bay (as seen in the recent Tampa Bay Magazine Top Doctors issue) and Top 100 Aesthetic Provider in America! Dr. Besnoff has assisted and/or performed hundreds of thousands of surgical procedures since 1995 in specialties such as plastic surgery, gynecology, tissue donation and life-saving emergency treatments. In fact, Ultimate Image has been known to have performed more BOTOX® / Dysport® treatments in Tampa Bay than any other provider.