It slowly goes down with time but can last for longer than a year. In fact biopsies of areas that have hadFacial Fillersinjections have shown that it can last up to 3 years or more. But the volume that remains later on is no more than 30% of the original volume that was injected. The area that is injected also determines how long it lasts. In more mobile areas, the effect is less and goes away faster.
Dr Young is located in Bellevue near Seattle, Washington