Patent ID: 8778909

Claim:
A method for providing a target area of a subject with a continuing increase in firmness, volume, or firmness and volume following a re-treatment session of an injectable filler composition, said method comprising: performing an initial treatment session on the subject, said initial treatment session comprising a first injection of a hyaluronic acid, thereby providing an increase in volume, firmness, or volume and firmness to the target area; and performing the re-treatment session on the subject, said re-treatment session comprising a second injection of the hyaluronic acid into the target area at a time subsequent to the initial treatment session but at a time before the subject displays an apparent need for application of an injectable filler, wherein the initial treatment and the re-treatment session are spaced apart in time to result in the subject maintaining at least a 1 point improvement in a global aesthetic improvement scale score for 18 months after the initial treatment session.