The RHA® Collection
The RHA® Collection offers four HA-filler formulations. RHA Redensity™ is a weightless filler that smooths delicate lipstick lines. RHA® 2 and RHA® 3 offer elegant and refined smoothing for those seeking a soft, natural look in wrinkles and folds. Lastly, RHA® 4 provides natural volume for deeper dynamic wrinkles and folds.