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The RHA® Collection of fillers includes: RHA® Redensity, RHA® 2, RHA® 3, RHA® 4.
RHA® Redensity is for injection into the facial tissue for the correction of moderate to severe dynamic perioral rhytids; and RHA® 2, RHA® 3, and RHA® 4 are for the correction of moderate to severe dynamic facial wrinkles and folds, such as nasolabial folds.
