This reduces muscle activity and thus mitigates wrinkle formation. Precise dosing allows for effective treatment of frown lines, forehead wrinkles, crow's feet, or bunny lines without altering natural facial expressions. Functional applications such as the Nefertiti Lift, masseter treatment, hyperhidrosis, lip flip, or brow lift are also established areas of application. Expert application yields subtle, natural results with high safety and controlled efficacy.