Cosmetics Compact: Essential oils can transform into allergens
![Cosmetics Compact: Essential oils can transform into allergens](/var/wrbm_gb_food_pharma/storage/images/_aliases/wrbm_small/6/0/3/8/268306-3-eng-GB/Cosmetics-Compact-Essential-oils-can-transform-into-allergens.jpg)
Cosmetics Compact brings you highlights of the sites' top science. This week, essential oils are in the spotlight as a Swedish researcher suggests they can become allergenic compounds on contact with air or skin enzymes.