PORTLAND, Ore.--(BUSINESS WIRE)--Patients receiving Botox Cosmetic treatments can reduce wrinkles with half as many sessions after 20 months, according to research conducted at Oregon Health & Science University’s Casey Eye Institute. The results were presented at a meeting of the American Society of Aesthetic Plastic Surgery in Washington, D.C., and published in the June 2011 edition of the scientific peer-reviewed journal Dermatologic Surgery.
