Hello, it must be harmful. Use double eyelid shaping cream, which contains glue. During use, the upper eyelid will keep pulling with the opening and closing of the eyes, which will make the skin relax for a long time, which will lead to redness, peeling and other symptoms. It is suggested that double eyelid surgery is the best choice. The double eyelid lines sewn by regular mobile phones will be smooth, natural and permanent.