Skip to content
  • beauty
  • cleaning
  • food
  • pharma

Malic acid, l-

CAS 26999-59-7 · 40/100 · High conf.

Also registered as 5 other CAS numbers

498-37-3 · 6294-10-6 · 84781-39-5 · 124501-05-9 · 97-67-6

Malic acid, l- chemical structure

Concern score

40/100Moderate concern based on regulatory listings.
High confidence

Malic acid, l- in plain language

What it is

On cosmetic ingredient lists it appears as “Malic acid”.

Also known as Malic acid · L-malic acid · Malic acid l-(-)-form · (2S)-2-Hydroxybutanedioic acid · Apple acid · Butanedioic acid, 2-HYDROXY-, (2S)-

Show all 18 names

Hydroxybutanedioic acid, (-)- · Hydroxysuccinnic acid (-) · L-malate · (-)-Hydroxysuccinic acid · (-)-Malic acid · (2S)-2-Hydroxysuccinic acid · 2-Hydroxybutanedioic acid, (S)- · Acide L-malique · Butenedioic acid, hydroxy-, (2S)- · Hydroxybutanedioic acid, (S)- · L-Apple acid · S-(-)-Malic acid

What it does

Used in cosmetics as a pH buffer.

  • Buffering
  • Flavouring agent
  • pH adjuster
  • Flavouring
  • Antimicrobial
Is it a concern?
Moderate concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

Why it's flagged

EPA CPDat observed this chemical in 3 composition records across product categories including Cleaning products and household care.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Malic acid, l- appears in these published regulatory listings.

  • Inactive ingredient in US drugs

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • USFDAinactive ingredient database2 entries
    • Route: ORAL; Dosage form: SOLUTION; Potency: 34 mg/10mlSource →
    • Route: ORAL; Dosage form: TABLET; Potency: NASource →
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • GLOBALJECFANo safety concern at current levels of intake when used as a flavouring agentJECFA evaluation lists ADI No safety concern at current levels of intake when used as a flavouring agent. Functional class: flavouring agent.
    • JECFA evaluation lists ADI No safety concern at current levels of intake when used as a flavouring agent. Functional class: flavouring agent.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 3 composition records across product categories including Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Biocide, Flavouring and nutrient, Synergist.
    • EPA CPDat observed this chemical in 3 composition records across product categories including Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Biocide, Flavouring and nutrient, Synergist.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

    • JECFA evaluation lists ADI No safety concern at current levels of intake when used as a flavouring agent. Functional class: flavouring agent.

      Year not recorded · GLOBAL JECFA listing · Read the source →

Evidence & sources

No graded research studies for Malic acid, l- yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

8 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EPA Chemical and Products Database

    exposure · updated February 8, 2019

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA Inactive Ingredient Database

    regulatory · updated 2026-01-09

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • WHO JECFA Database

    regulatory · updated 2026-10-04

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed Malic acid, l- in a product composition. These are source records, not Greenveil catalog products.

Source records

3

Named organisations

3

Cleaning products and household care

Typical roles

BufferingFlavouring agentpH adjusterFlavouringAntimicrobial
See products using Malic acid, l- →

Catalog

Found in these products

Their ingredient lists include Malic acid, l-; each product's own rating depends on its whole formula, so it is shown on the product page, not here.