Thuja Occidentalis Leaf

INCI: THUJA OCCIDENTALIS LEAF

CAS Number
90131-58-1
Function
Skin Conditioning
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
๐Ÿ‡บ๐Ÿ‡ธ US Status restricted
US Notes Not specifically restricted; permitted as botanical ingredient under general cosmetics provisions

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

Contains thujone (neurotoxic); oxidation risk; contraindicated in pregnancy; not for oral mucosa products

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Concern Level: High

Regulatory Flags

eu_cosing_listed

Frequently Asked Questions

Is Thuja Occidentalis Leaf safe in cosmetics?

Contains thujone (neurotoxic); oxidation risk; contraindicated in pregnancy; not for oral mucosa products The EU classifies Thuja Occidentalis Leaf as "restricted". Safety rating: MODERATE.

Is Thuja Occidentalis Leaf allowed in the EU?

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

What does Thuja Occidentalis Leaf do in cosmetics?

Thuja Occidentalis Leaf functions as: Skin Conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 90131-58-1.

What is the Margin of Safety for Thuja Occidentalis Leaf?

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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