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Citronellal

Low concern

Recognized flavoring substance with established use levels; can cause skin sensitization at higher topical exposures but dietary exposure is generally low.

Found in

1 products

What it is

Monoterpenoid aldehyde naturally occurring in citronella, lemongrass, and citrus oils; used as a flavor and fragrance ingredient.

Flavoring agent contributing citrus/lemon notes.

Why it's flagged

potential skin sensitizer at fragrance-relevant doses

What regulators actually say

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Regulatory status

United States — FDA

Listed flavoring substance (21 CFR 172.515)

European Union — EFSA

Evaluated as flavoring; included in EU flavoring substances list

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