External manifestations of internal causes, or What does problematic facial skin indicate?
Problematic skin is the most common complaint that leads a person to a cosmetologist's office
Skin prone to excessive dryness or increased oiliness, on which rashes of an inflammatory or non-inflammatory nature, post-inflammatory pigment spots, vascular defects, peeling or other cosmetic defects appear, are defined by doctors as problematic. How to establish the causes of this skin condition in order to prescribe adequate treatment?