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Camphor: p-dichlorobenzene, naphthalene, synthetic camphor. They are both highly volatile and somewhat toxic.
Acute or short-term exposure to P-DCB (an abbreviation for p-dichlorobenzene) can cause acute hemolytic anemia, respiratory irritation, cutaneous allergic purpura, and glomerulonephritis. Long-term exposure to P-DCB for a few months to 15 years can affect the lungs, blood, central nervous system, and liver.
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Camphor can repel odorous mosquitoes.
However, it has a certain toxicity and cannot be exposed to large amounts for a long time.
The main ingredient is camphor, which is used to remove odors.
That's a health ball, the main ingredient is naphthalene, no harm, no.
If you are talking about the kind that comes in a mesh bag, it is a mothballs with added pigments, which are generally synthetic, containing naphthalene or dichlorobenzene, and have a pungent smell; Dichlorobenzene is toxic, and it can cause human poisoning symptoms, such as fatigue, dizziness, headache, diarrhea, etc. >>>More
The new mothballs are colorful and good-looking.
Haven't seen it.
One I know is that bamboo charcoal, activated carbon and the like have strong adsorption, absorb odors, and have no effect on the human body. There is also a scented Dongdong, which is generally esters or other organic ingredients to mask the odor; It may also have some odor-absorbing ingredients added to it. >>>More