MomMom,
it was done by doctor. laser wor!!must be done by doctor la....but I heard some centre were done by nurses...She told me there is buy one get one free now...she said it is worth doing it..she improved 80-90%.....
it works for 1st time, work less for 2nd time, until one day it cannot work. It abrase your skin to thinner & thiner, eventually your skin cannot defend itself