Touchup procedure. Why is it necessary?

Touchup procedure. Why is it necessary?
Is it always possible to make up your nails perfect on the first layer? NO. The second layer of lacquer smoothes all imperfections, formed after the first coat.In permanent makeup are generally the same rules. For better results PM typically requires a correction(touchup), which corrects all imperfections, formed after the initial procedure . Sometimes we need to correct a shape or the color.Different people have pigment heals in different ways: someone has a skin like a sponge takes 80-90% of pigment, and someone will be only 30% of the implanted pigment. And no master would say how a pigment will heal on a particular person.Moreover, only when we implant a pigment with a layers your permanent makeup pigment will look more natural.