When movement starts to return 12-14 weeks later, a repeat treatment is all that is required to maintain a smoother effect. You will see a marked improvement in the moderate to severe lines that have been causing the wrinkles. You will see an improvement that can last up to four months. How many treatments will I need? When the wrinkles start to reappear three to five months after Botulinum, a simple repeat treatment is all that is required to maintain the smoother effect. For more information and to discuss your questions in complete confidence with one of our medical team, call the clinic on 01323 735635.