Moderate Fragrance

Terpineol

INCI: ALPHA-TERPINEOL

CAS Number
8000-41-7
Function
fragrance; antimicrobial
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
EU Max Conc. 0.001% leave-on / 0.01% rinse-off
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted for cosmetic use; RIFM-assessed; natural constituent of many essential oils

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
high
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Newly declarable EU allergen from July 2026 under EU Regulation 2023/1545. Key constituent of tea tree oil and various pine and citrus oils. Formulators using oils containing terpineol (particularly tea tree) must calculate terpineol content and declare on EU product labels above threshold. Update CPSR and PIF for affected formulations.

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Concern Level: Moderate

Regulatory Flags

allergen-eu eu-2023-1545-newly-listed eu-labelling-required sensitization-risk ifra-restricted epa_safer_alternative ifra_fragrance

Frequently Asked Questions

Is Terpineol safe in cosmetics?

Newly declarable EU allergen from July 2026 under EU Regulation 2023/1545. Key constituent of tea tree oil and various pine and citrus oils. Formulators using oils containing terpineol (particularly tea tree) must calculate terpineol content and declare on EU product labels above threshold. Update CPSR and PIF for affected formulations. The EU classifies Terpineol as "restricted". Safety rating: MODERATE.

Is Terpineol allowed in the EU?

Terpineol EU regulatory status: restricted. Maximum allowed concentration: 0.001% leave-on / 0.01% rinse-off. This is based on EU Regulation 1223/2009 and its amendments.

What does Terpineol do in cosmetics?

Terpineol functions as: fragrance; antimicrobial. It is classified as a Fragrance in our database. CAS number: 8000-41-7.

What is the Margin of Safety for Terpineol?

not established 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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