"We have completed an exhaustive study of common products that are marketed as ‘chemical-free’ and have prepared a detailed analysis of those products that are appropriately labeled as such. In brief, there aren’t many. In briefer, see the body text of our manuscript".
Статья целиком - "A comprehensive overview of chemical-free consumer products"
P.S. Никто не хочет сделать перевод для Биомолекулы?