Tetradesmus obliquus Extract

INCI: TETRADESMUS OBLIQUUS EXTRACT

Tetradesmus obliquus Extract (CAS Not assigned (biological extract from green microalga *Tetradesmus obliquus*, formerly *Scenedesmus obliquus*)) is a cosmetic cosmetic ingredient functioning as Skin conditioning, antioxidant (microalgae-derived bioactive extract). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS Not assigned (biological extract from green microalga *Tetradesmus obliquus*, formerly *Scenedesmus obliquus*) →

CAS Number
Not assigned (biological extract from green microalga *Tetradesmus obliquus*, formerly *Scenedesmus obliquus*)
View industrial chemical safety profile →
Function
Skin conditioning, antioxidant (microalgae-derived bioactive extract)
Editorial assessment
MODERATE
Preliminary editorial note — not a computed safety verdict.

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted as cosmetic ingredient; no specific restrictions, but as a biological extract, composition documentation is expected

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Tetradesmus obliquus Extract.

Calculate MoS for your specific formulation with the MoS Calculator.

Editorial summary

Preliminary editorial summary for Tetradesmus obliquus Extract — not a computed safety verdict. See the sourced toxicological data above.

Regulatory Flags

plant-extract potential-allergen

Frequently Asked Questions

Is Tetradesmus obliquus Extract safe in cosmetics?

Tetradesmus obliquus Extract has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is Tetradesmus obliquus Extract allowed in the EU?

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

What does Tetradesmus obliquus Extract do in cosmetics?

Tetradesmus obliquus Extract functions as: Skin conditioning, antioxidant (microalgae-derived bioactive extract). It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (biological extract from green microalga *Tetradesmus obliquus*, formerly *Scenedesmus obliquus*).

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