The young appearance of the face is determined by its proportions and volume. However, as the fat layer and dermis become thinner in the late 20s, skin loosens while cheeks, mouth line, and forehead droop. Cheeks and forehead may also look bumpy because thinning skin can no longer conceal muscle relief beneath it. But don't worry - facial fat grafting, fillers, thread lifting, and face implants are all available at Korean dermatology and plastic surgery clinics to help you restore your facial volume and expression.