The American Cleaning Institute (ACI)

Ask ACI: Odor Neutralization

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How does odor neutralization work and how is it different from fragrance?

Great question! We asked Sammy Wang, MSE, a senior scientist at Procter & Gamble and here's what she told us:

Odor neutralization works by essentially reducing bad scent, which typically involves modifying odor compounds so they no longer smell bad. This can be accomplished in different ways – for example, by trapping the odor, by changing the odor’s chemistry, or by breaking it down so it’s more easily removed.

On the other hand, fragrance works by adding good scent. If an underlying odor is still lurking around, adding fragrance may just result in an unpleasant mixture of good and bad smells! For optimal freshness, having both odor neutralization technology and fragrance together gives you the benefit of odor neutralization and a fresh scent after cleaning.