Good Cosmetic Ingredient

Chlorella Extract

INCI: CHLORELLA VULGARIS EXTRACT

CAS Number
223749-83-5
Function
Skin conditioning. Extract of the green microalgae Chlorella vulgaris (family Oocystaceae). Rich in lipids, proteins, vitamins, chlorophyll, amino acids, and minerals. Provides revitalizing, remineralizing, and cell-renewal-stimulating activity. Highly hygroscopic; functions as a humectant component and supports skin barrier. Used in anti-aging serums, eye contour care, and face masks.
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes No specific concentration limit set by FDA for cosmetic use. No dedicated CIR safety assessment published for Chlorella vulgaris extract. EWG Skin Deep hazard score of 1/10 (lowest concern). Considered generally safe for topical use; no known adverse cosmetic reactions at typical concentrations.

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Safe and well-tolerated microalgae extract with multi-functional conditioning and revitalizing benefits. EWG low hazard; EU-permitted without restriction. Excellent profile for anti-aging and sensitive skin formulations.

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Concern Level: Low

Regulatory Flags

skin-conditioning humectant antioxidant algae-derived anti-aging remineralizing ewg-low-hazard cell-renewal

Frequently Asked Questions

Is Chlorella Extract safe in cosmetics?

Safe and well-tolerated microalgae extract with multi-functional conditioning and revitalizing benefits. EWG low hazard; EU-permitted without restriction. Excellent profile for anti-aging and sensitive skin formulations. The EU classifies Chlorella Extract as "permitted". Safety rating: GOOD.

Is Chlorella Extract allowed in the EU?

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

What does Chlorella Extract do in cosmetics?

Chlorella Extract functions as: Skin conditioning. Extract of the green microalgae Chlorella vulgaris (family Oocystaceae). Rich in lipids, proteins, vitamins, chlorophyll, amino acids, and minerals. Provides revitalizing, remineralizing, and cell-renewal-stimulating activity. Highly hygroscopic; functions as a humectant component and supports skin barrier. Used in anti-aging serums, eye contour care, and face masks.. It is classified as a cosmetic ingredient in our database. CAS number: 223749-83-5.

What is the Margin of Safety for Chlorella 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.

Compliance Tools

Check Chlorella 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
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
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