Filler is a Hyaluronic Acid(HA) substance which has high chemical stability and liquid absorbent property. This substance is naturally present in human body, and will eventually be physiologically absorbed and degraded without leaving any chemical residue. Thus, it is safe to inject this chemical substance into your body since the chance that it would cause any harm or allergic reaction is very low. However, the injection must be done only by experienced and professional board-certified doctors to avoid any risk of injecting into the bloood vessels. Result : Correct deep line smile line, frown line |
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