Intense heat on the skin can cause the filler to break down more quickly or produce less effective results. Ideally, avoid exposure to intense heat for at least 12 to 24 hours after your appointment. There have been many studies on the use of lasers after the injection of fillers. All studies support that it's OK to use lasers after refills.
They have not observed an increase in side effects or a decrease in the effectiveness of the filler. These include studies on Thermage, infrared light, and others. Now, with that said, I've heard of doctors using a 1064nm laser to try to solve a blow from hyaluronic acid fillers like Juvaderm or Restylane. So I would talk to the doctor who gave the injections and see how they feel about the loss of the filling.
Try sleeping on your back, as this removes the pressure that will dissipate and shake the filling. Be gentle on the skin and don't rub or press on your face during your skincare routine. When you move and puncture the fillings, they break down faster, so the more gentle you are with your fillings, the longer they will last. Skin plumping and tightening technologies provide safe and synergistic results.
Many patients ask “Can I sunbathe after having lip fillers? “Here's our answer and a little bit of advice. They are the most vulnerable to heat-based treatments because heat can lower the water content in both the skin and the filler if heat reaches the filler.