Depends on the situation. Mothballs can be divided into natural mothballs and synthetic mothballs, natural mothballs are mainly from the branches and leaves of the camphor tree to extract the active ingredients processed from the fragrant odor, basically harmless to the human body.
And synthetic mothballs are mainly composed of benzene, naphthalene and other chemical components, pungent odor, with a certain degree of toxicity, the human body has certain hazards, such as poisoning, destruction of red blood cells. Both have antibacterial, anti-insect, as well as anti-mold and other effects.
How to judge the buy camphor pills have no poison:
Sinking in the water is toxic camphor pills first look at the packaging instructions. If the package does not write the ingredients, you can buy a camphor pill into the water, floating up is safe. Sinking in the bottom of the water is toxic mothballs. Because naphthalene, p-dichlorobenzene than water.