Acetyl SH-Tetrapeptide-1

INCI: ACETYL SH-TETRAPEPTIDE-1

CAS Number
Not assigned (CosmeticOBS lists "–")
Function
Skin Conditioning
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not restricted; no CIR monograph

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Synthetic peptide with limited market use; safety profile adequate but established margin of safety not determined.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Acetyl SH-Tetrapeptide-1 safe in cosmetics?

Synthetic peptide with limited market use; safety profile adequate but established margin of safety not determined. The EU classifies Acetyl SH-Tetrapeptide-1 as "permitted". Safety rating: MODERATE.

Is Acetyl SH-Tetrapeptide-1 allowed in the EU?

Acetyl SH-Tetrapeptide-1 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Acetyl SH-Tetrapeptide-1 do in cosmetics?

Acetyl SH-Tetrapeptide-1 functions as: Skin Conditioning. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (CosmeticOBS lists "–").

What is the Margin of Safety for Acetyl SH-Tetrapeptide-1?

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.

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