Step 4: Don't use air fresheners.

第四步：不要使用空气清新剂。

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Avoid the VOCs that offgas from paints, glues, air fresheners.

避免接触来自油漆，胶水，空气清新剂中的挥发性有机化合物。

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Many make do without air fresheners, hair conditioner and other fripperies once deemed essential.

空气清新剂、护发素及其他一些花里胡哨可有可无的东西曾被许多人认为必不可少，现在没有了，大家也能对付着过。

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Chemical sprays like air fresheners,hair spray, household cleaning products and even strong perfumes can also trigger an asthma attack.

VOA: special.2009.07.28

Chemical sprays like air fresheners, hair spray,cleaning products and even strong beauty aids can trigger an asthma attack.

VOA: special.2010.09.07

Ultimately, this unlocked the idea for Listerine Breath Strips: portable breath fresheners in a candy format.

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What we call "air fresheners" may freshen the smell, but they just mask the pollution--and may even act as irritants themselves.

CNN: A family's guide to healthy food substitutes

Although further research is needed, we do already know that air fresheners and bleach trigger symptoms in people who already have asthma.

BBC: NEWS | Health | Housework 'can cause asthma'