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Official fillers that are used nowadays can be first classified according to their raw materials. The most widely used fillers are hyaluronic acid (HA) fillers, which means that fillers can be mainly divided into HA fillers and non-HA ones. Under the latter category, Ca, PMMA, PLLA, collagen, PAAAG, and PCL are the types of fillers on the market and in use. One important criterion to classify the many different types of fillers is whether they can be dissolved with a solvent in case of side effects or dissatisfaction. Only HA fillers can be dissolved with a solvent as fillers comprised of other components contain no enzyme materials that can be dissolved by melting a filler component.

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Types of Fillers and Rheological Considerations for HA (Hyaluronic Acid) Fillers

  • 章节

  • 发表日期：

    2025年

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  • Giwoong Hong,
  • Seungmin Oh,
  • Yongwoo Lee,
  • Jeongmok Cho

摘要

Official fillers that are used nowadays can be first classified according to their raw materials. The most widely used fillers are hyaluronic acid (HA) fillers, which means that fillers can be mainly divided into HA fillers and non-HA ones. Under the latter category, Ca, PMMA, PLLA, collagen, PAAAG, and PCL are the types of fillers on the market and in use. One important criterion to classify the many different types of fillers is whether they can be dissolved with a solvent in case of side effects or dissatisfaction. Only HA fillers can be dissolved with a solvent as fillers comprised of other components contain no enzyme materials that can be dissolved by melting a filler component.