Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Best-characterized of this group but still lacks independent safety review. Anti-aging claims supported by in-vitro data.
Frequently Asked Questions
Is Tetrapeptide-26 safe in cosmetics?
Best-characterized of this group but still lacks independent safety review. Anti-aging claims supported by in-vitro data. The EU classifies Tetrapeptide-26 as "permitted". Safety rating: GOOD.
Is Tetrapeptide-26 allowed in the EU?
Tetrapeptide-26 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Tetrapeptide-26 do in cosmetics?
Tetrapeptide-26 functions as: Skin Conditioning; circadian rhythm regulation (boosts CLOCK gene and BMAL1 expression); anti-aging/DNA repair activation. It is classified as a cosmetic ingredient in our database. CAS number: 1234463-61-6.
What is the Margin of Safety for Tetrapeptide-26?
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 Tetrapeptide-26 compliance across multiple jurisdictions:
Related Ingredients
Is Tetrapeptide-26 in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Tetrapeptide-26 in your formulation.