Kimberly-Clark developed a breath testing device that uses a visual indicating agent which changes color in the presence of odors associated with bad breath, such as sulfur and ammonia. The indicating agent is applied to a substrate which is then inserted into a tube or straw, or which covers one end of a straw. When a user with bad breath blows into the tube or straw, the indicating agent will change color. The clinically tested breath testing device provides a quick and affordable means for users to test their breath. The testers may be packaged in discreet, pocket-sized dispensers which can be carried in a pocket or purse.
An odor control ink containing activated carbon.
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