A wrinkle is a fold, ridge or crease in the skin which typically  appear as a result of aging processes. Wrinkling in the skin is caused by habitual facial expressions, aging, sun damage, smoking, poor hydration, and various other factors. Depletion of water in the body, as occurs with dehydration, can also cause this puckering of the skin. Wrinkles can be classified into dynamic and static wrinkles. Dynamic wrinkles occur when we use our muscles to form facial expressions. During faci..

  Hyperhidrosis is the condition characterized by abnormally increased perspiration, in excess of that required for regulation of body temperature. Hands, feet, armpits, and the groin area are among the most active regions of perspiration due to the relatively high concentration of sweat glands; however, any part of the body may be affected. njections of botulinum toxin type A, under the brand names Botox or Dysport, are used to disable the sweat glands. The effects may persist from fo..

Acne vulgaris (or acne) is a common  skin disease, characterized by areas of skin with seborrhea, comedones (blackheads and whiteheads), papules, pustules, nodules and possibly scarring. Acne affects mostly skin with the densest population of sebaceous follicles; these areas include the face, the upper part of the chest, and the back. Acne occurs most commonly during adolescence, and often continues into adulthood. In adolescence, For most people, acne diminishes over time and tends to ..

Stretch marks or striae, as they are called in dermatology, are a form of scarring on the skin with an off-color hue. Stretch marks are often the result of the rapid stretching of the skin associated with rapid growth (common in puberty) or weight gain (e.g. pregnancy, muscle building, or rapid gain of fat) or in some cases, severe pulling force on skin that overcomes the dermis' elasticity. Stretch marks may also be influenced by hormonal changes associated with puberty, pregnancy, musc..