Dihydrofarnesol

INCI: DIHYDROFARNESOL

CAS Number
Requires verification — likely 51411-24-6 (3,7,11-trimethyldodeca-2,6-dien-1-ol); CosIng lists the INCI but CAS varies by isomer
Function
Fragrance ingredient
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — no specific CFR restriction

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

CAS verification required before formulation; farnesol read-across suggests moderate sensitization risk and potential allergen labeling requirements; limited standalone toxicological dossier available.

⚠️
Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component

Frequently Asked Questions

Is Dihydrofarnesol safe in cosmetics?

CAS verification required before formulation; farnesol read-across suggests moderate sensitization risk and potential allergen labeling requirements; limited standalone toxicological dossier available. The EU classifies Dihydrofarnesol as "permitted". Safety rating: MODERATE.

Is Dihydrofarnesol allowed in the EU?

Dihydrofarnesol EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Dihydrofarnesol do in cosmetics?

Dihydrofarnesol functions as: Fragrance ingredient. It is classified as a cosmetic ingredient in our database. CAS number: Requires verification — likely 51411-24-6 (3,7,11-trimethyldodeca-2,6-dien-1-ol); CosIng lists the INCI but CAS varies by isomer.

What is the Margin of Safety for Dihydrofarnesol?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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