Inclusion Criteria:  Age: 20-60 years. Sex: females. Areas eligible for injection: temples, cheeks and chin.  Exclusion Criteria:  Active infection near the site of injection. Pregnant or lactating women. Patients suffering from any neuromuscular disorders. Known allergy/hypersensitivity to hyaluronic acid fillers. History of botulinum toxin injection in the last 4 months. History of injection of fillers in the last 2 years. Patients receiving any muscle relaxants. Coagulation disorder or anticoagulants therapy.