The self-adhesive is slightly toxic, but it is okay to touch it with your fingers. Just wash your hands after touching it.

The self-adhesive is a chemical agent and an adhesive. The main ingredients include formaldehyde. Formaldehyde is a toxic substance. Do not leave the glue in a high temperature environment, as the glue will produce these gases at high temperatures.

Frequent inhalation of toxic gases from these chemicals can cause allergies, chronic pharyngitis, reduced immunity, and various diseases.

Currently, domestic glues are not completely free. Although toxic, regular products are still within the acceptable range of the human body and generally will not cause harm. Please buy genuine products. Then tear it off, clean the glue, and then sterilize it at high temperature

Note: In short, ordinary contact will be fine, just don’t smell the volatile gases of the glue at high temperatures