Good Evening I Have Two Unrelated Questions That I Can

good evening
I have two unrelated questions that I can not find answers for,
question 1
I have recently purchased a NONO hair removal device and I would like to know can I use it on my vaginal area and if not why?
second question is
I have recently stopped smoking and I am using a vape machine, I am reading on the internet that they are as dangerous as smoking and some times more, can you please advise
thank you
Susan