The skin ages due to DNA damage, which is induced by both chemical and physical means. The first signs we see in any individual in regards to aging is their skin. The first signs we see are structural changes like wrinkles and sagging then color and texture changes. Red spots and dilated veins appear. Brown spots appear on hands and face and the skin becomes thinner and less elastic.
Structural changes result when collagen and elastin quantity and quality are reduced.
Your skin is an open book to your state of health. Facial skin is the most vulnerable part of the body to environmental damage, considering it is never protected from assault due to the elements. The facial skin serves the additional function of emotional response. Your facial expressions are always changing in response to what occurs around you. This creates tremendous stress to the facial skin and eye area.