Hexyl Cinnamal
(E)-2-benzylideneoctanal; alpha-hexylcinnamaldehyde
EU Annex III fragrance allergen; one of the most widely used synthetic fragrance ingredients globally; produces jasmine-chamomile odour; moderate sensitization potential; alpha,beta-unsaturated aldehyde structure; IFRA restricts in leave-on skin care
Function & Common Use
Fragrance / Perfuming / Aroma Chemical
Fragrance Materials
Jasmine, floral and chamomile fragrance notes; very widely used in shampoos, body wash, soaps, laundry; skin care products
Synthetic
Concentration Limits
Declaration required above 0.001% leave-on / 0.01% rinse-off
Declaration threshold: 0.001% leave-on / 0.01% rinse-off (EU Reg 2023/1545); IFRA restriction also applies
None (FEMA GRAS); IFRA-guided
None specific
Format restriction: EU mandatory declaration when above threshold; IFRA 49th Amendment concentration limits apply
Baby restriction: No
Pregnancy: No
IFRA: Yes - IFRA 49th Amendment; Category 4 (body leave-on): 1.1%; Category 5A (face leave-on): 0.7%; Category 1 (fine fragrance): 7.2%; rinse-off (Category 9): higher limits
Frequently Asked Questions
Is Hexyl Cinnamal safe to use in skincare?
Hexyl Cinnamal has a Medium concern rating. EU Annex III fragrance allergen; one of the most widely used synthetic fragrance ingredients globally; produces jasmine-chamomile odour; moderate sensitization potential; alpha,beta-unsaturated aldehyde structure; IFRA restricts in leave-on skin care
Is Hexyl Cinnamal allowed in India?
Hexyl Cinnamal is currently classified as "Permitted" under Indian cosmetics regulations. The maximum permitted concentration is Declaration required above 0.001% leave-on / 0.01% rinse-off.
What is Hexyl Cinnamal used for in cosmetics?
Hexyl Cinnamal functions as: Fragrance / Perfuming / Aroma Chemical. It is commonly found in: Jasmine, floral and chamomile fragrance notes; very widely used in shampoos, body wash, soaps, laundry; skin care products.
Can Hexyl Cinnamal cause an allergic reaction?
Yes. Hexyl Cinnamal has an allergen flag (Yes - EU Annex III fragrance allergen). If you have sensitive skin or known fragrance/contact allergies, patch-test products containing this ingredient before full use.
Is Hexyl Cinnamal safe for babies?
Hexyl Cinnamal has baby/child restrictions: No. Avoid using products containing this ingredient on infants unless specifically formulated and labelled for baby use.
Regulatory Status
EU Annex: Annex III (fragrance allergen - declaration required)
Identifiers
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