Mesotherapy seldom causes side effects. This occurs when there is an allergic reaction to several of the products or in the event of hypersensitivity.#torontomedispa #torontomedspa #beforeandafter #dermalfillers #toronto #torontoinjector #lipfiller #lipfillerbeforeandafter #lipfillertechnique Open#torontomedispa #torontomedspa #beforeandafter #skin