Crow's feet are also called laugh lines; they are the wrinkles next to the eyes that form when laughing. These wrinkles also appear when you squint and look into bright sunlight. If this movement is repeated constantly, these lines become deeper. Botulinum Toxin These wrinkles can be removed so that the skin remains nice and taut when you laugh or squint.
In exceptional cases, very deep lines can also be removed with a filler be softened. The effect of this treatment lasts an average of 3-4 months. After this, the botulinum toxin wears off and the treatment will need to be repeated.