How Likely is Scarring with Radiesse?

If you are happy with the appearance then chances are you won't have any problem. Scars would result possibly if a lump forms and it is removed surgically. It is uncommon for this to occur.

Radiesse must be injected very deeply on the forehead to prevent lumping. Problem is, deeper injections increase the risk of a rare complication with some gel fillers due to compromise of blood circulation from compression or blockage of blood vessels. THIS is what can lead to a scar. In general, I do not like Radiesse on the forehead for these reasons. I prefer neuromodulation with Botox or Dysport, then just a little Restylane into the etched lines that may remain, being careful... more

Lumps following Radiesse is possible but in skilled hands is less likely. Radiesse is a calcium powder that requires another product to make it injectable (carboxymethylcellulose). This takes about 3 months to occur and even if a lump develops it will generally soften.