Seminars in cutaneous medicine and surgery
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Soft tissue augmentation products (or fillers) are used for the correction of age-related changes in areas of the face. The most common filler material is hyaluronic acid, which is synthetically cross-linked. ⋯ New fillers are expected to be approved in the United States in the near future. Semin Cutan Med Surg 35(supp6):S117-119.