Good Cosmetic Ingredient

Castanea Sativa Leaf Extract

INCI: CASTANEA SATIVA LEAF EXTRACT

CAS Number
84695-99-8
Function
Skin conditioning, antioxidant, soothing. Rich in hydrolyzable tannins (castalagin, vescalagin), ellagic acid, chlorogenic acid, rutin, and flavonoids. Scavenges ROS, protects against UV-induced oxidative stress, improves skin hydration and elasticity.
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Listed in FDA 21 CFR 172.510 as a natural flavoring substance; no cosmetic-specific restriction. CIR has not issued a dedicated safety assessment. GRAS status supports safe topical use.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Well-researched plant extract with strong antioxidant and soothing activity, safe for topical use across skin types with no regulatory restrictions in EU or US, beneficial for photoaging prevention and sensitive skin formulations.

⚠️
Concern Level: Low

Regulatory Flags

antioxidant skin-conditioning soothing uv-protection-support plant-polyphenol

Frequently Asked Questions

Is Castanea Sativa Leaf Extract safe in cosmetics?

Well-researched plant extract with strong antioxidant and soothing activity, safe for topical use across skin types with no regulatory restrictions in EU or US, beneficial for photoaging prevention and sensitive skin formulations. The EU classifies Castanea Sativa Leaf Extract as "permitted". Safety rating: GOOD.

Is Castanea Sativa Leaf Extract allowed in the EU?

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

What does Castanea Sativa Leaf Extract do in cosmetics?

Castanea Sativa Leaf Extract functions as: Skin conditioning, antioxidant, soothing. Rich in hydrolyzable tannins (castalagin, vescalagin), ellagic acid, chlorogenic acid, rutin, and flavonoids. Scavenges ROS, protects against UV-induced oxidative stress, improves skin hydration and elasticity.. It is classified as a cosmetic ingredient in our database. CAS number: 84695-99-8.

What is the Margin of Safety for Castanea Sativa Leaf Extract?

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.

Compliance Tools

Check Castanea Sativa Leaf Extract compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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