active

Acetyl Tetrapeptide-9

INCI: ACETYL TETRAPEPTIDE-9
CAS 928006-50-2
Acetyl Tetrapeptide-9 is a reaction product of acetic acid and Tetrapeptide-9
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Acetyl Tetrapeptide-9 is a reaction product of acetic acid and Tetrapeptide-9

Purpose

Function

Peptide anti-aging active
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
MODERATE
US
Permitted
Absorptionlow
Sensitizationnone
MoSnot established
ConcernModerate
Verdict

Insufficient safety data available for Acetyl Tetrapeptide-9; further assessment recommended.

US Note

CIR report, no published NOAEL/MoS. The safety case relies on existing data.

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
928006-50-2
INCI
ACETYL TETRAPEPTIDE-9
Category
active
Updated
Apr 2, 2026