The product is injected thru a very fine needle along the wrinkle in order to rebuild the furrow or remove the breach on the dermis.
Several products are available, at various concentrations. Therefore they allow the correction of light wrinkles, as well as remodeling some larger portions of the face.
Some redness, swelling, or bruise may happen rarely, for a duration of a few hours up to a few days. There are very few known allergies to those types of products, and the allergic tests are not necessary.
Final results are immediate.
Usually one session is enough since we can inject all necessary products in one time.