SMP，全称为Scalp Mirco Pigmentation，通常被叫做头皮微色素着色技术。SMP纹发是一种利用色素着色于头皮皮肤真皮层的技术，着色完成后，观感有如头发毛囊一样。
SMP, called the Scalp Mirco Pigmentation, usually called Scalp micro pigment coloring technology. SMP is a kind of technology that uses the coloring of the pigment in the dermal layer of the scalp skin. After the coloring is finished, the feeling is like hair follicles.
SMP technology is non-surgical nature, with a short operation time, the effect is significant, the whole process almost no pain and other advantages, and does not affect the normal development of the original hair follicles.
Currently, as the only effective solution to hair loss, SMP hair technology has been favored by the majority of patients with hair loss.