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The sprays, gels, and waxes that are applied to hair contain volatile organic compounds.  When heat is applied with styling irons and blow dryers, these compounds are liberated and inhaled into the airways.

The most notable organic compound is decamethylcyclopentasiloxane, better known as D5 siloxane for short.  This compound and the fragrances in these hair care products are known to irritate respiratory linings as well as damage liver and nerve tissues from the results of animal studies.

The bottom line: when heating your hair with these chemicals at home or in the salon, ventilate the room to the greatest extent possible.

https://pubs.acs.org/doi/10.1021/acs.est.3c05156

#hair #styling #blowdry #voc #volatileorganiccompounds #d5siloxane #lungs #liver #nerves