Is Fucosterol safe in cosmetics?
Fucosterol has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Fucosterol
INCI: FUCOSTEROL
Fucosterol (CAS 17605-67-3) is a cosmetic cosmetic ingredient functioning as Antioxidant, Skin Conditioning – Emollient. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical data.
View industrial chemical safety profile for CAS 17605-67-3 →
Auto-generated CPSR Part A draft with source citations
Function
Antioxidant, Skin Conditioning – Emollient
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
(3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(E,2R)-5-propan-2-ylhept-5-en-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
InChIKey
OSELKOCHBMDKEJ-JUGJNGJRSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted — phytosterols previously reviewed and found safe by CIR; brown algae (source organism) GRAS per 21 CFR 184.1120
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Fucosterol.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Antioxidant
Humectant
Softener and conditioner
Expert Verdict
Expert safety assessment and concern-level summary for Fucosterol.
Chemical Function
Softener and conditioner
Antioxidant
Humectant
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
Compound
FUCOSTEROL
ChEMBL ID
CHEMBL519971
Frequently Asked Questions
Is Fucosterol allowed in the EU?
Fucosterol EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Fucosterol do in cosmetics?
Fucosterol functions as: Antioxidant, Skin Conditioning – Emollient. It is classified as a cosmetic ingredient in our database. CAS number: 17605-67-3.
Is Fucosterol used outside cosmetics?
Fucosterol also appears in pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Fucosterol compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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