Hi there, Lip injections can typically last anywhere from 3 to 12 months, depending on the product that has been injected, without causing significant scar tissue. Here are some general guidelines for filler products in the lips for your reference: Teosyal Kiss and Teosyal products - 6-9 months Juvederm Ultra Plus - around 6 months Volbella and Volumalift usually last for about a year or longer I recommend booking an in-person consultation with a certified cosmetic facial cosmetic surgeon. When you are exploring the options of a facial procedure, make sure that you also explore the right type of cosmetic surgeon to perform your procedure. A facial plastic surgeon is a cosmetic doctor that is an expert strictly in the head and neck.