The area between the eyebrow is called the glabellar region. Two muscles act here to cause an angry appearance. These lines are often very deep and hard to treat even with surgery like a forehead lift.
The area of the outer eye, the crow's feet area, is notorious for being difficult to treat. Resurfacing may improve the appearance but is almost always temporary as the muscles soon pull back the crease lines.
Even in young people, especially when they are slim, the neck muscle or platysma can be seen as a band. This band becomes worse with age and a facelift and neck lift. will not always correct it.
This young woman shows how although at rest the skin may have a smooth and
youthful appearance the moment the facial muscles are activated many lines appear. Even a natural act like smiling can cause a dramatic change in appearance which some people find uncomfortable.