amino_acid

Aspartic (Amino) Acid

INCI: ASPARTIC ACID
CAS 56-84-8
L-aspartic acid is the L-enantiomer of aspartic acid. It has a role as a neurotransmitter, a mouse metabolite and an Escherichia coli metabolite. It is a L-alpha-amino acid, an aspartate family amino acid, an aspartic acid and a proteinogenic amino acid. It is a conjugate acid of a L-aspartate(1-). It is an enantiomer of a D-aspartic acid.
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

L-aspartic acid is the L-enantiomer of aspartic acid. It has a role as a neurotransmitter, a mouse metabolite and an Escherichia coli metabolite. It is a L-alpha-amino acid, an aspartate family amino acid, an aspartic acid and a proteinogenic amino acid. It is a conjugate acid of a L-aspartate(1-). It is an enantiomer of a D-aspartic acid.

Purpose

Function

Skin Conditioning (Humectant), Hair Conditioning, Buffering/pH Adjuster
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
GOOD
US
Permitted
Absorptionlow
Sensitizationnone
MoSnot established
NOAEL697 mg/kg
ConcernLow
Flags
fda_food_additivejecfa_safe
Verdict

Safe in present practices of use and concentration per CIR Expert Panel with no genotoxicity, carcinogenicity, or irritation concerns.

US Note

GRAS per 21 CFR 172.320; no FDA cosmetic restrictions

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
56-84-8
INCI
ASPARTIC ACID
Category
amino_acid
Updated
Apr 23, 2026