1.   After smoking marijuana in a cell, blowing a little baby powder into the air will mask the odor.

2.   Deodorants do much the same thing, killing bacteria and masking bad odors, while antiperspirants actually block sweat glands, clogging them.

3.   People have been using fragrances to mask bad odors for thousands of years.

4.   Scientists say fragrances can be used for more than masking odors or evoking memories.

5.   She said Phillip Morris never masked cigarette odor, and did not know if it had used additives to reduce the appearance of secondhand smoke.

6.   These miniature pouches were stuffed with potpourri to mask body odor.

7.   They were not enough to mask the odor left by the cats and the killings.

8.   When he made deliveries, he put the heroin in bubble wrap and placed it inside a container of coffee beans to mask the odor.

9.   Where aerosol sprays of old were meant simply to mask odors, the latest varieties have existential aspirations as mood setters for frazzled cocooners.