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
Modulates UV-induced inflammation and exhibits photoprotective properties with no adverse reports; one of the best-documented peptides in this category.
Frequently Asked Questions
Is Acetyl Tetrapeptide-40 safe in cosmetics?
Modulates UV-induced inflammation and exhibits photoprotective properties with no adverse reports; one of the best-documented peptides in this category. The EU classifies Acetyl Tetrapeptide-40 as "permitted". Safety rating: GOOD.
Is Acetyl Tetrapeptide-40 allowed in the EU?
Acetyl Tetrapeptide-40 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Acetyl Tetrapeptide-40 do in cosmetics?
Acetyl Tetrapeptide-40 functions as: Skin Conditioning — anti-inflammatory, anti-redness, reduces IL-6/IL-8 release. It is classified as a cosmetic ingredient in our database. CAS number: 1472633-28-5.
What is the Margin of Safety for Acetyl Tetrapeptide-40?
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 Acetyl Tetrapeptide-40 compliance across multiple jurisdictions:
Related Ingredients
Is Acetyl Tetrapeptide-40 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 Acetyl Tetrapeptide-40 in your formulation.