PIH frequently relapses, and the reason for this frequent repetition of the hyperpigmentation is because the melanocytes have already been stimulated to produce excessive melanin, the so-called hyperactive melanocytes.
After a skin injury, once the healing has ended, the skin frequently appears to be of a darker colour. This takes place more frequently in darker skin also. That effect is called postinflammatory hyperpigmentation.
Hyperhidrosis (extreme, uncontrollable sweating) is a condition in which sweating in excess takes place without explanation, or without a reason. When sweating is severe, it can be embarrassing, uncomfortable, anxiety-inducing, dangerous, and disabling.
PDO threads will improve the skin condition, because it will stimulate the formation of new collagen, and also it can pull the sagging skin in an non-surgical lifting, with minimum side effects and excellent results.
For safety reasons, only health professionals properly trained and qualified must practice aesthetic or cosmetic treatments.