No harm its the same as coloring ur hair. Just make sure the room is open
No. I do it once a month . Just make sure that the area where you're getting it done is well ventilated
I googled it, and I think you should as well...different opinions from different OBs.....
Im not sure, but it doesnt seem like its a good thing because of all of the chemicals and fumes. Thats google worthy/ask the doc