No, Runbaiyan black gold is cross-linked hyaluronic acid, which has good supporting force and will not shift after injection molding. Runbaiyan black gold is suitable for filling deep soft tissues and shaping facial contours. It is a kind of pure hyaluronic acid filler made in China, which has good stereoscopic effect of polymer biphasic granular hyaluronic acid and is used in cosmetic and plastic surgery.