Is Terrein safe in cosmetics?
Terrein has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Terrein
INCI: TERREIN
Terrein (CAS 20547-94-4) is a cosmetic cosmetic ingredient functioning as Skin conditioning agent; investigated for anti-melanogenic / skin lightening. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 20547-94-4 →
Auto-generated CPSR Part A draft with source citations
Function
Skin conditioning agent; investigated for anti-melanogenic / skin lightening properties
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
No specific FDA restriction; no established GRAS status; used in specialized formulations
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Terrein.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Terrein.
Frequently Asked Questions
Is Terrein allowed in the EU?
Terrein EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Terrein do in cosmetics?
Terrein functions as: Skin conditioning agent; investigated for anti-melanogenic / skin lightening properties. It is classified as a cosmetic ingredient in our database. CAS number: 20547-94-4.
Compliance Tools
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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