Study hard, you can find a training school to study, or you can download materials online to study. Semi-permanent makeup is based on dermatology and creates beauty in the epidermis of skin. In the epidermis, beauty is also carried out at the lowest basal layer, so the skin cells in the epidermis will gradually disappear after 3-5 years of metabolism, which is a new concept of beauty technology different from tattoos carried out in the deep dermis. Semi-permanent cosmetic surgery is a cosmetic technique derived from the combination of plastic surgery and cosmetic surgery. After this cosmetic surgery, people's eyebrows, eyes and lips can all show cosmetic effects.