Dynamic Wrinkles
Dynamic wrinkles occur when we use our muscles to form facial expressions. During facial expressions such as smiling and frowning our muscles contract and cause our skin to wrinkle. For example, when we smile our eye wrinkles become prominent and when we frown the vertical lines between our eyebrows become noticeable. When we are young our skin springs back to its original position when we finish making the facial expression (at rest) but as we get older the dynamic wrinkles remain on the skin to form static wrinkles.
Static Wrinkles
Static wrinkles are the wrinkles and folds that are present at rest or when we are not forming facial expressions. They develop as we get older because natural substances such as collagen, elastin and hyaluronic acid that provide the skin with structure and volume decrease with age. The loss of skin structure and volume means that the skin is less able to spring back to its initial position after facial expression, and as a result static wrinkles and folds form.
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