Farnesal

INCI: FARNESAL

CAS Number
19317-11-4
Function
Fragrance ingredient
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes Permitted — no specific 21 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

Skin sensitizer (α,β-unsaturated aldehyde); genotoxicity signal in vitro (BlueScreen positive, though considered non-relevant in vivo by RIFM); must comply with IFRA category limits; not phototoxic; declared levels must be monitored carefully

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Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component ifra_fragrance fda_food_additive

Frequently Asked Questions

Is Farnesal safe in cosmetics?

Skin sensitizer (α,β-unsaturated aldehyde); genotoxicity signal in vitro (BlueScreen positive, though considered non-relevant in vivo by RIFM); must comply with IFRA category limits; not phototoxic; declared levels must be monitored carefully The EU classifies Farnesal as "restricted". Safety rating: MODERATE.

Is Farnesal allowed in the EU?

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

What does Farnesal do in cosmetics?

Farnesal functions as: Fragrance ingredient. It is classified as a cosmetic ingredient in our database. CAS number: 19317-11-4.

What is the Margin of Safety for Farnesal?

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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