Injectable HA filler is a soft tissue filler injected into the skin to help fill in facial wrinkles, restoring a smoother appearance. Most of these wrinkle fillers are temporary because they are eventually absorbed by the body.help to diminish facial lines and restore volume and fullness in the face and lips.
As we age, our faces naturally lose subcutaneous fat. The facial muscles are then working closer to the skin surface, so smile lines become more apparent.
The facial skin also stretches a bit, adding to this loss of facial volume. Other factors that affect the facial skin include sun exposure, heredity and lifestyle