The RHA® Collection is Resilient Hyaluronic Acid, dermal fillers designed for facial dynamics and represents the latest advancement in hyaluronic acid (HA) technology in more than a decade, using a gentle manufacturing process to more closely resemble the natural HA in the skin.
The RHA® Collection is the first and only FDA-approved hyaluronic acid fillers for dynamic wrinkles and folds and includes three approved formulas: RHA® 2, RHA® 3 and RHA® 4.
- RHA® 2 and RHA® 3 are indicated for injection into the mid-to-deep dermis for the correction of moderate to severe dynamic facial wrinkles and folds, such as nasolabial folds (NLF), in adults aged 22 years or older.
- RHA® 4 is indicated for injection into the deep dermis to superficial subcutaneous tissue for the correction of moderate to severe dynamic facial wrinkles and folds, such as nasolabial folds (NLF), in adults aged 22 years or older.