These scented formats are made with a variety of fragrance products such as: Scented Coatings that emit scent automatically, Scratch & Sniff (Rub & Smell) which needs activation, scented stickers/labels, and Snap & Burst flap formats that you normally see used for fragrance Ads in magazines.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  prewash(Noun) A quick rinse given to objects before they are washed properly. 2  prewash(Verb) To rinse something before washing it properly.
Mouthwash is also designed to remove bacteria from teeth and other mouth surfaces which results in a high amount of bacterial content being released into the sample. Both the dry and wet methods described above do not prevent bacteria from growing in the sample and do not actively stabilize DNA.