What are the risks of having fake eyelashes glued on at the salon?

This is becoming very popular and the risks are low. Be sure you have someone do it who has done it least 25 times before. :)What are the risks of having fake eyelashes glued on at the salon?
I have heard it has happened. But I don't think the risk is real high. But be careful!! Watch your back someone may try to do it.

liquid eyeshadow