Tetrapeptide-11
INCI: TETRAPEPTIDE-11 (COMMONLY USED AS ACETYL TETRAPEPTIDE-11 UNDER THE TRADE NAME SYNIORAGE)
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
Better-studied than many tetrapeptides due to commercial availability as Syniorage. Supplier data supports safety at recommended levels. Independent peer-reviewed data still limited
Frequently Asked Questions
Is Tetrapeptide-11 safe in cosmetics?
Better-studied than many tetrapeptides due to commercial availability as Syniorage. Supplier data supports safety at recommended levels. Independent peer-reviewed data still limited The EU classifies Tetrapeptide-11 as "permitted". Safety rating: GOOD.
Is Tetrapeptide-11 allowed in the EU?
Tetrapeptide-11 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Tetrapeptide-11 do in cosmetics?
Tetrapeptide-11 functions as: Skin conditioning / skin repairing — stimulates syndecan-1 expression, improving skin structure and firmness. It is classified as a cosmetic ingredient in our database. CAS number: Often supplied as Acetyl Tetrapeptide-11 (CAS 928006-88-6 for the acetylated form).
What is the Margin of Safety for Tetrapeptide-11?
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 Tetrapeptide-11 compliance across multiple jurisdictions:
Related Ingredients
Is Tetrapeptide-11 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-11 in your formulation.