It is worth noting that most deodorizing packages are marked with the words "adsorbed formaldehyde" in addition to adsorbing moisture and odor. Will bamboo charcoal deodorizing bag adsorb formaldehyde? The promoter of a brand of bamboo charcoal deodorizing package in Carrefour, Zhongguancun, said that what is written on the label should have what effect. "Of course, the main function is to absorb the smell. For example, this can be put in the refrigerator to absorb the odor, and it will take about 15 days to take it out and expose it to the sun, so it can be used again." A promoter pointed to his product and introduced it.

After a reporter from a large shopping website entered "deodorizing package", it was observed that in nearly 38,000 search results, almost all merchants marked "in addition to formaldehyde", "formaldehyde adsorption and other harmful substances" and "decoration deodorizing package" in their descriptions of deodorizing packages. The prices of these deodorizing packages range from 0.3 yuan to 980 yuan, and retail and wholesale coexist, and the transaction volume is huge.