Cosmetics are all synthetic chemicals. Although it has beautification function, it also emits various harmful substances. In cosmetics, chemical components such as mercury, lead and arsenic will be added to increase the efficacy of freckle removal and whitening. Arsenic has a strong affinity for protein and many amino acids, and mercury is the only metal that exists in liquid state at room temperature. Because of its special physical properties, it is easy to be absorbed by organisms and has long been used in various whitening and freckle-removing products. Let's look at a picture of skin tissue. The cosmetics you use every day are absorbed by the epidermis, then to the dermis and finally to the subcutaneous tissue. And those metal chemical molecules also entered the body. After being oxidized, it emits poison to damage human organs. Maybe the content of these elements and their compounds. It's hard for us to see with the naked eye. Even if it exceeds the standard by tens of thousands of times, it will only have a pungent smell. Therefore, long-term use of such cosmetics will irritate human skin. Cause considerable damage.