Brian S. Biesman

Sep 18, 2024 | onlinelibrary.wiley.com | Michael Gold |Brian S. Biesman |Joel Cohen |Doris Day

1 Introduction Aging is characterized by natural changes in the skin, soft tissue, and skeletal support structures of the human face [1]. Intrinsic skin aging occurs in response to inherent factors such as sex, ethnicity, hormones, or hyperdynamic facial expressions that are unique to an individual [1, 2].