A single word on a label that can stand for dozens of scent compounds. One of the most common causes of cosmetic skin allergy.
Allergy
Natural essential oils can be just as allergenic as synthetic fragrances. EU rules require declaring 26+ common fragrance allergens above set levels.
Evidence & sources
US cosmetic labels may list 'fragrance' without naming each scent ingredient. Evidence: regulatory. Known: US labeling rules. Unknown: MoCRA (2022) directs FDA to require labeling of fragrance allergens; the rule is still being developed. Source: US FDA, Fragrances in Cosmetics (Current revision).