There is always a chance of allergy to pigments or products used. It would be advised to do a test patch first, to be sure you don’t have an allergic reaction. Good luck!
The most common way to removed SMP is via laser tattoo removal. However, there is also a technique to remove SMP with salt & saline, and using same type of needle that is used for SMP. I would ask your provider how many they have done and how successful it has...
SMP would not be a problem in regards to a surgery being done on someone who has had SMP. However if you are planning a surgery, it may be best to wait until after you have had results of regrowth and scars from the surgery have fully healed, in order to have a more effective...