2022-01-12
Lasers should be known to be photons released when atoms absorb energy and jump to a high energy level and then fall back to a low energy level. It is one of the greatest inventions of the 20th century. Soon after the in...
2022-01-11
"Picosecond is a cosmetic method, which is a relatively advanced laser surgery, through laser irradiation can remove pigmentation spots and red blood on the skin, and can also effectively relieve hyperplasia symptom...