Inclusion Criteria:  Synkinesis following peripheral facial palsy Sunnybrook score <61 Botox injections at least 3 times a year Have received at least 3 Botox injections Botox injections not satisfying treatment Read and signed written consent  Exclusion Criteria:  Synkinesis since less than 2 years Contractures in facial muscles Other planned surgery in the face during study period Smoking Uncontrolled hypertension Diabetes mellitus Pregnancy or breast feeding Severe systemic disease (ASA 3-4)