Is ASPARTIC ACID safe to use in EU cosmetics?

ASPARTIC ACID is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

What function does ASPARTIC ACID serve in cosmetics?

According to the EU CosIng inventory, ASPARTIC ACID carries the following function designation(s): ANTISTATIC, FRAGRANCE, HAIR CONDITIONING, SKIN CONDITIONING.

How do I check if my formula contains ASPARTIC ACID?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 7434015/10/2010

ASPARTIC ACID

Aspartic acid

ASPARTIC ACID is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 56-84-8

CAS 56-84-8PubChem CID 5960

L-Aspartic Acid

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. — ChEBI

IUPAC name: (2S)-2-aminobutanedioic acid

Molecular formula: C4H7NO4
Molecular weight: 133.10 g/mol
Exact mass: 133.03750770 Da
XLogP3: -2.8
Topological polar surface area: 101.0 Å²
Hydrogen-bond donors: 3
Hydrogen-bond acceptors: 5
Covalent units: 1
Defined stereocentres: 1

Also known as

aspartic acidAsparagic acidL-Aminosuccinic acid(S)-2-Aminosuccinic acidAsparaginic acidL-Asparaginic acidL-Asparagic acid(S)-Aspartic acid

16 more reported names

Aspartic acid, L-(S)-Aminobutanedioic acidL-AsparaginsaeureAcidum asparticumL-(+)-Aspartic acidAsparaginsaeureAcido aspartico2-aminosuccinic acidAcide aspartiqueAminosuccinic acidButanedioic acid, amino-, (S)-(L)-ASPARTIC ACIDDeamidated asparagine(S)-2-aminobutanedioic acid30KYC7MIAIFEMA NO. 3656

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:17053
ChEMBL:CHEMBL274323
EPA DTXSID:DTXSID7022621
PubMed:23125906
PubMed:23120807
PubMed:23113131
PubMed:23112834
PubMed:23112554
PubMed:23112546
PubMed:23111582
PubMed:23109729
PubMed:23109458
PubMed:23107446
PubMed:23106931
PubMed:23106456

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 617-45-8

CAS 617-45-8PubChem CID 424

(+-)-Aspartic Acid

Aspartic acid is an alpha-amino acid that consists of succinic acid bearing a single alpha-amino substituent. It has a role as a fundamental metabolite. It is a polar amino acid, an alpha-amino acid and a C4-dicarboxylic acid. It contains a carboxymethyl group. It is a conjugate acid of an aspartate and an aspartate(1-). — ChEBI

IUPAC name: 2-aminobutanedioic acid

Molecular formula: C4H7NO4
Molecular weight: 133.10 g/mol
Exact mass: 133.03750770 Da
XLogP3: -2.8
Topological polar surface area: 101.0 Å²
Hydrogen-bond donors: 3
Hydrogen-bond acceptors: 5
Covalent units: 1
Defined stereocentres: 0

Also known as

RefChem:905505DL-ASPARTIC ACIDDL-Aminosuccinic acidDL-Asparagic acidAspartic acid, DL-DL-Asp-OHAcid D,L-aspartH-DL-Asp-OH

16 more reported names

(+/-)-2-Aminosuccinic acid(+/-)-Aspartic AcidDL-ASPARTIC ACID (3-13C)L-ASPARTIC-4-13C ACIDD-Asparagic acid28XF4669EPNSC-141379Butanedioic acid, (S)-.alpha.-Aminosuccinic acidDL-ASPARTICACID(s)-butanedioicacid,l-aspartic acid(R)-(-)-Aminosuccinic acidEINECS 210-513-3NSC 141379NSC 620336

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:22660
EPA DTXSID:DTXSID30859003
PubMed:23121364
PubMed:23113206
PubMed:23112327
PubMed:23094070
PubMed:23072183
PubMed:23047433
PubMed:23047100
PubMed:23035612
PubMed:23028876
PubMed:23011277
PubMed:22976966
PubMed:22976555

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for ASPARTIC ACID

INCI name

ASPARTIC ACID

INN name

aspartic acid

Description

Aspartic acid

Record provenance

Inventory reference: 74340
Imported identity: ASPARTIC ACID
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for ASPARTIC ACID

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Key data

CAS

56-84-8 / 617-45-8

200-291-6 / 210-513-3

Restriction

—

Function

ANTISTATIC: Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.
FRAGRANCE: Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
HAIR CONDITIONING: Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
SKIN CONDITIONING: Maintaining the skin in good condition.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#2471 · ASPARTIC ACID

Ingredients with overlapping formulation functions

APRICOTAMIDOPROPYL BETAINEANTISTATIC, CLEANSING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - F…

APRICOTAMIDOPROPYL ETHYLDIMONIUM ETHOSULFATEANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING

ARGININEANTISTATIC, FRAGRANCE, HAIR CONDITIONING, SKIN CONDITIONING

ASPARAGINEANTISTATIC, FRAGRANCE, HAIR CONDITIONING, SKIN CONDITIONING

AURANTIOCHYTRIUM LIMACINUM OILANTISTATIC, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

AVOCADAMIDOPROPALKONIUM CHLORIDEANTISTATIC

AVOCADAMIDOPROPYL BETAINEANTISTATIC, CLEANSING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - F…

AVOCADAMIDOPROPYL DIMETHYLAMINEANTISTATIC

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How ASPARTIC ACID appears in the CosIng inventory

The CosIng inventory lists ASPARTIC ACID as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

ASPARTIC ACID is also tagged with 4 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

ASPARTIC ACID is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, ASPARTIC ACID carries the following function designation(s):

CAS 56-84-8 / 617-45-8 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

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Source note for ASPARTIC ACID

This page reproduces the CosIng inventory entry for ASPARTIC ACID from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research ASPARTIC ACID and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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Tools & next steps

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