Restylane Kysse is a clear injectable gel composed of hyaluronic acid (HA). HA is a naturally occurring sugar, found in the human body. Restylane Kysse is crosslinked with BDDE, an ingredient that helps form a network of HA to provide a gel filler that lasts longer. HA fillers, including Restylane Kysse, contains HA that has been modified to last longer in the body than
Flexible
Low
Low/ Moderate
Vermillion lip, submucosal tissue