Allegro MedSpa Chosen to Debut Qwo™: The First FDA-approved Injectable for Cellulite Share Article The location is one of only a few Northern California med spas selected to offer the treatment. Allegro MedSpa announced today that their facility has been selected as one of only a few practices in Northern California chosen to debut Qwo™. SANTA ROSA, Calif. (PRWEB) April 28, 2021 Allegro MedSpa announced today that their facility has been selected as one of only a few practices in Northern California chosen to debut Qwo™, the first and only FDA-approved injectable for moderate to severe cellulite in the buttocks of adult women.