Is Fucoxanthin safe in cosmetics?
Fucoxanthin has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
GOOD
Cosmetic Ingredient
Fucoxanthin
Also known as: beta,beta-Carotene, 3'-(acetyloxy)-6',7'-didehydro-5,6-epoxy-5,5',6,6',7,8-hexahydro-3,5'-dihydroxy-8-oxo-, (3S,3'S,5R,5'R,6S,6'R)-, Acetic acid [(1S,3R)-3-hydroxy-4-[(3E,5E,7E,9E,11E,13E,15E)-18-[(1S,4S,6R)-4-hydroxy-2,2,6-trimethyl-7-oxabicyclo[4.1.0]heptan-1-yl]-3,7,12,16-tetramethyl-17-oxooctadeca-1,3,5,7,9,11,13,15-octaenylidene]-3,5,5-trimethylcyclohexyl] ester, α-Carotene, 6′,7′-didehydro-5,6-epoxy-4′,5,5′,6,7,8-hexahydro-3,3′,5′-trihydroxy-8-oxo-, 3′-acetate, all-trans-, (3S,3′S,5R,5′R,6S,6′R)-3′-(Acetyloxy)-6′,7′-didehydro-5,6-epoxy-5,5′,6,6′,7,8-hexahydro-3,5′-dihydroxy-8-oxo-β,β-carotene, all-trans-Fucoxanthin (+3 more)
INCI: FUCOXANTHIN
Fucoxanthin (CAS 3351-86-8) is a cosmetic cosmetic ingredient functioning as Skin Conditioning. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in food safety data.
Function
Skin Conditioning
Editorial assessment
GOOD
Preliminary editorial note — not a computed safety verdict.
Chemistry & Identifiers
IUPAC Name
[(1S,3R)-3-hydroxy-4-[(3E,5E,7E,9E,11E,13E,15E)-18-[(1S,4S,6R)-4-hydroxy-2,2,6-trimethyl-7-oxabicyclo[4.1.0]heptan-1-yl]-3,7,12,16-tetramethyl-17-oxooctadeca-1,3,5,7,9,11,13,15-octaenylidene]-3,5,5-trimethylcyclohexyl] acetate
InChIKey
SJWWTRQNNRNTPU-ABBNZJFMSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted; CIR assessed as safe within brown algae-derived ingredients (2019 final report)
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Fucoxanthin.
Calculate MoS for your specific formulation with the MoS Calculator.
Editorial summary
Preliminary editorial summary for Fucoxanthin — not a computed safety verdict. See the sourced toxicological data above.
Known Synonyms
beta,beta-Carotene, 3'-(acetyloxy)-6',7'-didehydro-5,6-epoxy-5,5',6,6',7,8-hexahydro-3,5'-dihydroxy-8-oxo-, (3S,3'S,5R,5'R,6S,6'R)-
Acetic acid [(1S,3R)-3-hydroxy-4-[(3E,5E,7E,9E,11E,13E,15E)-18-[(1S,4S,6R)-4-hydroxy-2,2,6-trimethyl-7-oxabicyclo[4.1.0]heptan-1-yl]-3,7,12,16-tetramethyl-17-oxooctadeca-1,3,5,7,9,11,13,15-octaenylidene]-3,5,5-trimethylcyclohexyl] ester
α-Carotene, 6′,7′-didehydro-5,6-epoxy-4′,5,5′,6,7,8-hexahydro-3,3′,5′-trihydroxy-8-oxo-, 3′-acetate, all-trans-
(3S,3′S,5R,5′R,6S,6′R)-3′-(Acetyloxy)-6′,7′-didehydro-5,6-epoxy-5,5′,6,6′,7,8-hexahydro-3,5′-dihydroxy-8-oxo-β,β-carotene
all-trans-Fucoxanthin
all-E-(3S,5R,6S,3′S,5′R,6′R)-Fucoxanthin
Sebatrol
Infinity 50
Chemical Function
Softener and conditioner
Regulatory Lists
Canada; pharmaceutical
Cross-Vertical Safety Context
Same-CAS public records found in food safety data.
SOURCE
EFSA / FDA GRAS
food_additives
Food Safety Data
Same-CAS food additive or FDA GRAS records from the core public database.
Food Name
Fucoxanthin
Food Category
preservative
Frequently Asked Questions
Is Fucoxanthin allowed in the EU?
Fucoxanthin EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Fucoxanthin do in cosmetics?
Fucoxanthin functions as: Skin Conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 3351-86-8.
Is Fucoxanthin used outside cosmetics?
Fucoxanthin also appears in food safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Fucoxanthin compliance across multiple jurisdictions:
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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