Swelling, redness, or bruising may occur at the injection site but usually subsides within several days.
Mild pain or tenderness can persist temporarily after treatment.
The injected filler may feel firm or uneven under the skin.
Results may differ from your expectations, and touch-up treatments may be required.
Over time, the filler may shift or become asymmetrical.
In rare cases, skin necrosis (tissue damage) can occur if blood vessels are blocked.
Severe complications such as vision loss have been reported, though extremely rare.
Allergic reactions, infection, or prolonged swelling may occur.
The effect is not permanent; results gradually diminish over several months to years.