For permanent, pain-free and effective hair removal on the nipples I recommend the Soprano XLi laser hair removal treatment. It is the only pain-free laser on the market for safe treatment of all skin types. This is why it is so popular and because the nipple area has a lot of pigment in it, there is a risk of burning the skin if you go for IPL and some other lasers. The risk of burning with the Soprano Xli is minimal and it is very safe.
At the Pulse Laser Clinic (
http://www.pulse-clinic.co.uk) they charge £50 per session for nipples and they offer a FREE no obligation consultation, so you can go and speak with a qualified laser practitioner and they can answer all your questions.