Abstract
Various types of dermal fillers have been developed for soft tissue augmentation, including hyaluronic acid products, which have been approved by regulatory agencies in Europe, the United States, and elsewhere. Phosphatidylcholine (PPC) injection has attracted attention for its application in the treatment of cellulite, weight loss, and skin rejuvenation. Because the public can now buy PPC and similar products from various online pharmacy websites without the involvement of a clinician, there is potential for misuse. The authors discuss two cases of complications experienced by patients after self-injection of hyaluronic acid and PPC for aesthetic purposes.
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