Good question!
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It’s a question I have asked many, many times, especially when dealing with fragrance chemicals and scent marketing.
Penelope Jagessar Chaffer wasn’t referring specifically to fragrance chemicals when she asked that question, but one set of the chemicals that she discusses in the following TEDX talk are often found in fragrances, laundry, and personal care products (but are never on the labels), and they have been implicated in many different adverse health effects, including the deformities of the penis that she elaborates on in this new video:
Seriously "Sensitive" to Pollution 