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Juvéderm
Juvéderm (), an injectable filler (injectable facial filler), is used by cosmetic, dermatological, and plastic surgeons to soften deep folds and reduce wrinkles in the faces of patients. The substance is largely hyaluronic acid, a substance normally found in the skin, muscles, and tendons of mammals. Approved in June 2006 by the U.S. Food and Drug Administration, Juvéderm’s prime use is removing nasolabial folds, or “smile lines,” creases of skin which run from the corners of the nose to the corners of the mouth. It is also used as a lip augmentation agent, and to fill in hollow places and scars on the face. However, all hyaluronic acid facial filler products are eventually absorbed by the body, usually within six to nine months, causing the patient to undergo repeat injections to maintain the younger look. Juvéderm is also used by physicians to plump lips, which also lose fat and internal shape with normal aging.
==FDA testing==
Before being released onto the U.S. market, Juvéderm was compared with Zyplast dermal filler, a bovine-based injectable facial filler made from collagen. In clinical studies conducted at several U.S. medical centers to evaluate safety and efficacy, or effectiveness, 146 subjects were followed for 24 weeks. The subjects had Juvéderm injected into one nasolabial fold and Zyplast in the other. Using scientific measuring scales, Juvéderm was deemed to provide a more persistent correction in the subjects’ facial folds. At the end of the study, the researchers asked subjects to judge which fold looked better to them. Eighty-eight percent chose the area treated with Juvéderm. Before FDA approval, two other clinical studies on Juvéderm were done on a total of 293 subjects in the United States. The safety profile and effectiveness was found to be similar to the first test.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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