hello my name is Pang Xiong, iam 30 years old...i been having some white bumps on the center of my face for more then 15 years now and as i get older its getting worser, its almost full my whole face,,, i can t remember the name of it but its starts with the letter T Tric-,,, i have laser treatments 3 times and it doesn t seem to work at all... i just want to ask if u can be able to tell me what i should do?