Hyaluronic acid filler
| Field | Medicine |
|---|---|
| Also known as | HA filler, Juvéderm, Restylane, Teosyal
|
Hyaluronic acid filler is cross-linked HA gel. It is the default facial syringe: reversible with hyaluronidase, tunable G′ (stiffness) by product. Restylane, Juvéderm, Teosyal, Stylage, and a hundred Turkey-kit clones are this family. High G′ for chin/jaw; low G′ / more cohesive for lips and some troughs.
The practical upside is reversibility with hyaluronidase. The downside is that reversibility is unused after a vascular occlusion, or never used on a jaw shelf the patient later dislikes.
This wiki's view
Default gel when volume is the job and undo matters. Not the first tool for descent (see nasolabial fold). Stiff HA on a jaw is a preview, not a custom jawline implant.