You will enjoy one nouveau lash treatment from the following corner set of nouveau lashes 40 minutes half set of nouveau lashes 60 minutes full set of nouveau lashes 90 minutes nouveau lashes are state of the art semi permanent lash extensions that give longer thicker and natural looking lashes because each lash is applied individually the treatment times can vary and may take 60 90 minutes however it39s time well spent as your nouveau lashes can last up to six weeks n