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Is hyaluronic acid safe for skin?
Since hyaluronic acid occurs naturally in the body, taking small amounts should be of no health concern. Hyaluronic acid based products are considered highly safe, Hyaluronic acid is manufactured by fermentation with the strain of Streptococcus Zooepidemicus, a method widely used in the world. The raw material used in the fermentation are all derived from non-animal sources.
A series of safety experiments had been carried out, including acute toxicity test, three genetic toxicity tests, 90 days feeding test and teratogenicity test. All the results have shown that hyaluronic acid is an innocuous substance of high safety.
Using an ultra fine needle, hyaluronic acid is injected into the dermis at several points along the edge of the treatment area. After approximately two to three injections, the physician will massage the treatment area. The physician will continue injecting the filler along the length of the wrinkle or fold until maximum correction has been achieved. If a local anesthesia has not been used, you may feel some minor stinging from the injections. As the injected hyaluronic acid molecules attract and bind water molecules, the volume beneath the skin will increase, restoring a smoother, more youthful appearance.
The body will eventually metabolize and absorb the injected hyaluronic acid over time. Therefore, while the effects are immediate, hyaluronic acid injections do not provide the same long-lasting results that may be gained from cosmetic surgery. Although the longevity of results varies by patient, results from hyaluronic acid injections are typically maintained for six to eighteen months.
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