Can I get electrolysis while on retinoids?

I'm (25F) really interested in getting electrolysis done on my upper lip area but am currently using trentinoin all over my face and on spironolactone for acne issues. I have medium-fair skin and dark hair. Do you think I am a good candidate for electrolysis? Also after doing some research, I found a place that does it for $35/15 min sessions. Is this a good price/should I be wary of how inexpensive that is? And is a 15 minute session an adequate amount of time to address just the upper lip?