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biopolimeroA synthetic filler that may be used in cosmetic surgery. It is available in 350, 1000 and 5000 centistokes—the higher the number, the more viscous the oil. It is permanent and difficult to remove.
It is not FDA approved, but has been used for surgery in Mexico where is in wide use as it is in South America. While it is cheaper than Restylane, few if any US plastic surgeons are willing to risk its use.