Ceanothus Americanus Leaf Extract

INCI: CEANOTHUS AMERICANUS EXTRACT

CAS Number
91771-46-9
Function
Skin conditioning, astringent. Contains cyclic peptide alkaloids, triterpenes (ceanothusic acid, ceanothenic acid), tannins (~10%), resins, and bitter compounds. Tannins impart astringent, tightening, and anti-inflammatory properties useful in toners and sensitive skin formulations.
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes No FDA-specific cosmetic restriction. EWG Skin Deep lists no hazard concerns. CIR has not conducted a formal safety assessment for this ingredient. Used at low concentrations in cosmetics.

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Low-risk botanical extract with established astringent and skin-conditioning properties. Permitted in EU and US with no concentration restrictions. Suitable for toners, clarifying products, and oily/combination skin formulations.

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Concern Level: Low

Regulatory Flags

astringent skin-conditioning tannin-rich anti-inflammatory low-data-availability

Frequently Asked Questions

Is Ceanothus Americanus Leaf Extract safe in cosmetics?

Low-risk botanical extract with established astringent and skin-conditioning properties. Permitted in EU and US with no concentration restrictions. Suitable for toners, clarifying products, and oily/combination skin formulations. The EU classifies Ceanothus Americanus Leaf Extract as "permitted". Safety rating: GOOD.

Is Ceanothus Americanus Leaf Extract allowed in the EU?

Ceanothus Americanus Leaf Extract EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ceanothus Americanus Leaf Extract do in cosmetics?

Ceanothus Americanus Leaf Extract functions as: Skin conditioning, astringent. Contains cyclic peptide alkaloids, triterpenes (ceanothusic acid, ceanothenic acid), tannins (~10%), resins, and bitter compounds. Tannins impart astringent, tightening, and anti-inflammatory properties useful in toners and sensitive skin formulations.. It is classified as a cosmetic ingredient in our database. CAS number: 91771-46-9.

What is the Margin of Safety for Ceanothus Americanus Leaf Extract?

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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