Is there any certain treatment for sebaceous hyperplasia where it won't return?

Swelling's common with Fraxel especially the 1550nm setting.  Hard to assess your swelling without a picture but I will say risk of infection is incredibly low with Fraxel given that it is nonablative.  Regardless, they are covering you with abx and a systemic corticosteroid.  Just continue to...

Without a photo, I cannot give you a specific answer. Fraxel Re:Pair or Re:Store may be sufficient to resolve your dark spots. You will have a reddened face for two weeks. However, many people who have hyperpigmentation require multiple therapies used in combination to completely resolve their...

A non-ablative fractional laser such as Fraxel does not reach deep enough in the tissue to cause any injury to the subcutis (fat layer).  I would bring up any concerns you have with your doctor but you are ok on this one.  Best of luck!

This is difficult to answer without before and after pictures and needs an in-person evaluation. A combination approach is needed to get the most improvement with neck wrinkles. I recommend fillers, botox, and lasers or radiofrequency. I recommend getting a formal evaluation with a cosmetic...

This is unlikely due to your Fraxel treatment. I recommend getting a formal evaluation with a Doctor to determine cause. Best, Dr. Emer