Iodine iodine is a very safe skin care product, which has the functions of whitening and lightening spots, brightening and rejuvenating skin, improving skin color and enhancing skin barrier function. Its main components include soybean peptide powder, collagen, sodium hyaluronate and so on. All are safe Chinese herbal medicines and plant ingredients, and do not contain substances harmful to human body. Therefore, idometazole is also suitable for people aged 58.