Botulinum Toxin as a muscle relaxant has an excellent safety record and a long record of use in medicine. It has been used successfully in adults and children in variety medical conditions over the last 20 years. It has been used cosmetically to treat facial wrinkles for about 15 years and has become one of the most popular and frequently used cosmetic treatments. See more: https://www.regentstreetclinic.co.uk/anti-wrinkle-treatment-sheffield/