Wrinkle Relief: Injectable Cosmetic Fillers - Part II
Filler Materials
Wrinkle fillers are made of various types of materials, and some include a combination of products. Some products also contain lidocaine, which numbs the skin at the injection site.
The materials used in injectable cosmetic wrinkle fillers include:
Temporary (absorbable) fillers
- Collagen injections are made of highly purified cow or human collagen. Collagen is a natural protein that is a major component of skin and other tissues in the body.
- Hyaluronic acid gel is a protective lubricating gel, produced naturally by the body, that binds with water to plump the skin.
- Calcium hydroxylapatite is a mineral that is a major component of bone. Calcium hydroxylapatite is a well-matched (biocompatible) material that dissolves in the body (biodegradable) and is implanted in the form of a gel.
- Poly-L-lactic acid (PLLA) is a biodegradable, biocompatible, synthetic material from the alpha-hydroxy-acid family that has been widely used for many years in dissolvable stitches and bone screws.
Permanent (non-absorbable) filler
- Polymethylmethacrylate beads (PMMA microspheres) are tiny round, smooth plastic particles that have been tested to be biocompatible. They are not absorbed by the body.
Source: FDA Consumer Health Information
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