Humectant

Acetyl Hyaluronic Acid

Skin conditioning agent, humectant
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Skin conditioning agent, humectant

Purpose

Function

Skin conditioning agent, humectant
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
EXCELLENT
US
Permitted
Absorptionlow
Sensitizationnone
MoSadequate
NOAEL1333 mg/kg
ConcernLow
Verdict

Animal-sourced HA (rooster comb) must be free of pathogenic viruses, infectious agents, and biologically-derived impurities. Bacterial fermentation-derived HA is nearly endotoxin-free. No genotoxicity, no reproductive toxicity, acute oral LD50 >1200 mg/kg in mice.

US Note

Permitted — no CFR restriction; also used as inactive ingredient in FDA-approved drugs at up to 0.01% topical

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

Category
Humectant
Updated
Apr 23, 2026

No registry identifiers available for this ingredient.