Headline wrinkles in 16 year old teenagers can be improved by lifestyle improvement, Botox injection, hyaluronic acid injection and so on. 1. Improvement of lifestyle: If patients have the habit of raising eyebrows or eyes upwards, horizontal wrinkles may appear on forehead for a long time. If the symptoms of patients are mild, they can be relieved by improvement of lifestyle, and it is suggested that they should try to avoid lifting up their head and eyes in daily life, so as not to aggravate the appearance of head lines. 2. Botulinum toxin injection: If there are obvious head lines affecting the face, local Botulinum toxin injection can be performed. Botulinum toxin can effectively block the nerve impulses between the nerves and the muscles, so that the local muscles will not contract anymore, which has a better effect on the improvement of forehead lines. 3. Hyaluronic acid injection: For static forehead lines, hyaluronic acid can also be injected to improve. Hyaluronic acid is sodium hyaluronate, which has the effect of increasing skin volume and storing water, so the forehead will become more plump and full after hyaluronic acid injection, which has a certain effect on the improvement of head lines. It is recommended that patients who are willing to be treated should go to regular hospitals for appropriate treatment, and should not use prescriptions, so as not to cause harm to the body.