Humectant

Acetylhexapeptide-8

Skin conditioning agent, humectant, neurotransmitter release inhibitor (SNAP-25 analog), anti-wrinkle
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Skin conditioning agent, humectant, neurotransmitter release inhibitor (SNAP-25 analog), anti-wrinkle

Purpose

Function

Skin conditioning agent, humectant, neurotransmitter release inhibitor (SNAP-25 analog), anti-wrinkle
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
GOOD
US
Permitted
Absorptionlow
Sensitizationlow
MoSadequate
ConcernLow
Verdict

Cytotoxicity observed at ≥10 µM in vitro (IC50 = 34.9 µM HEK-293 cells); neurotransmitter inhibition at IC50 = 110 µM (5000× weaker than BoNT-A). Use concentration in cosmetics is orders of magnitude below concern thresholds. MW = 889 Da.

US Note

Permitted, not restricted under 21 CFR. CIR Expert Panel concluded safe at ≤0.005% in leave-on products.

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

Category
Humectant
Updated
Apr 23, 2026

No registry identifiers available for this ingredient.