The best scientific studies are most likely in the secret archives of the perfume industry.
It is very unlikely that they do not know what damage they do.
The most thorough public scientific studies done, up to now and to our knowledge:
- A very thorough and alarming study about perfume by Greenpeace, published in Feb 2005: Perfume – An Investigation of Chemicals in 36 Eaux de Toilette and Eaux de Parfum.“
- A thorough study of the situation in households (perfume chemicals in household cleaners) by the German Umweltbundesamt (Environmental Agency), published in April 2006: “Duftstoffe: Wenn Angenehmes zur Last werden kann” (Fragrances: When Pleasant can turn Burdensome)
- Not too Sexy: The Health Risks of Secret Chemicals in Fragrance, published: May 2010: Exposed: The Campaign for Safe Cosmetics uncovers health dangers of hidden chemicals in fragrances.
- A Springer Link article explores the release of volatile chemicals from essential oils and the potential consequences of these emissions., published August 2018: Volatile chemical emissions from essential oils
- National Library of Medicine investigates how perfumes may relate to autism in a report, published June 2013 Role of perfumes in pathogenesis of autism
- An insightful review by the National Library of Medicine uncovering the hidden aspects of fragrance compounds., published May 2017; Fragrance compounds: The wolves in sheep’s clothings