This is not hype, but a serious warning that you should consider: Brazilian manicures pose serious health threats.
First of all, this type of manicure involves removing the whole cuticle, sometimes to the point of bleeding. This is so not a good idea. The risk of infection from such a thing is astronomical especially when you consider that many manicurists are not so clean. (Please also read the article linked to in the one below about manicurists’ dirty little secret.)