Muscle relaxants are the preferred treatment for eliminating wrinkles from the upper third of the face. These wrinkles are related to a stronger contraction of certain muscles that are involved in facial mimicry, which is why they are called “wrinkles of expression”.
It has been used in neuro-ophthalmology since 1980. It inhibits, impermanently, the conduction between the nerves and the muscles in order to weaken or block, according to the dose that is used, the muscular contraction that causes the wrinkles.
Areas, Indications and Contraindications
Horizontal wrinkles of the forehead : causing a “worried” look;
Vertical wrinkles between the eyebrows known as “wrinkles of the lion” or “glabellar wrinkles”, giving a severe look. The fan of wrinkles on the outside corner of the eye or “crow’s feet”.
• Pregnancy and breast-feeding.
Some rare transitory side-effects are possible, such as: the stressing of the angle of the eyebrow (“Mephisto” effect ); excessive lowering of the eyelid for a few weeks and, very seldom, cephalgias of varying degrees of importance.
Immediately after the injection, little marks or swellings can appear on the skin but they will disappear after a few hours.