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Several complications have been described, including intravascular injection of hyaluronic acid (HA).[1] Current management of intravascular HA injection is based on early injection of hyaluronidase[2] which should be performed as soon as possible and mandatorily within 72 h of the procedure. A 54-year-old woman, who had received a well-tolerated HA injection 3 years earlier, underwent bilateral HA injections into the nasolabial folds at a private dermatologist's office. Intra-arterial facial injection of hyaluronic acid complicated by Nicolau's dermatitis: Treatment with iloprost. [Extracted from the article]