What does Calcium lactate do?

Used in cosmetics as an astringent, a keratolytic and a pH buffer.

Is Calcium lactate safe?

Moderate concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

beauty
food
pharma

Calcium lactate

CAS 5743-48-6 · 40/100 · High conf.

Also registered as 4 other CAS numbers

5497-50-7 · 145179-24-4 · 1296939-87-1 · 814-80-2

Concern score

40/100Moderate concern based on regulatory listings.

High confidence

Calcium lactate in plain language

What it is: Also known as Calcium lactate anhydrous · (±)-lactic acid, calcium salt (2:1) · 2-HYDROXYPROPANOIC acid calcium salt · Calcium bis(2-hydroxypropanoate) · Lactic acid, calcium salt (2:1) · Propanoic acid, 2-HYDROXY-, calcium salt (2:1)
Show all 25 names
(+/-)-lactic acid, calcium salt (2:1) · 2-Hydroxypropanoic acid calcium salt (2:1) · Calcium lactate (1:2) · Anhydrous calcium lactate · Calciumlactat · Ca lactate · Calcium 2-hydroxypropanoate (1:2) · Calcium DL-lactate · Calcium dilactate · Calciumdilactat · Calphosan · Conclyte calcium · Dilactate de calcium · E-327 · Hemicalcium L-lactate · Ins NO.327 · INS-327 · Prequist powder · Calcium (as lactate)
What it does: Used in cosmetics as an astringent, a keratolytic and a pH buffer.
Astringent
Keratolytic
Buffering
Yeast food, acidity regulator, flour treatment agent
pH adjuster
Thickener
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 19 composition records across product categories including Personal 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. Calcium lactate appears in these published regulatory listings.

In marketed US drugs

Recorded in these product areas

Found in consumer products
Beauty

EUEFSAEFSA opinion2 entries
- Safety and efficacy of lactic acid and calcium lactate when used as technological additives for all animal species (EFSA FEEDAP)Source →
- Safety of lactic acid and calcium lactate when used as technological additives for all animal species (EFSA FEEDAP)Source →
EUCosIngActiveListed in CosIng inventory for cosmetic use.
- Listed in CosIng inventory for cosmetic use.Source →
GLOBALJECFANOT LIMITEDJECFA evaluation lists ADI NOT LIMITED. Functional class: yeast food, acidity regulator, flour treatment agent.
- JECFA evaluation lists ADI NOT LIMITED. Functional class: yeast food, acidity regulator, flour treatment agent.Source →
USEPAcommercial use observedEPA CPDat observed this chemical in 19 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Astringent, pH regulating agent, Pharmaceutical.
- EPA CPDat observed this chemical in 19 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Astringent, pH regulating agent, Pharmaceutical.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 8 active drug products and 8 total products.
- FDA NDC lists this ingredient in 8 active drug products and 8 total products.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.
EFSA
European Food Safety Authority
- Safety and efficacy of lactic acid and calcium lactate when used as technological additives for all animal species (EFSA FEEDAP)
  2015 · EU EFSA listing · Read the source →
- Safety of lactic acid and calcium lactate when used as technological additives for all animal species (EFSA FEEDAP)
  2019 · EU EFSA listing · Read the source →
JECFA
Joint FAO/WHO Expert Committee on Food Additives
- JECFA evaluation lists ADI NOT LIMITED. Functional class: yeast food, acidity regulator, flour treatment agent.
  Year not recorded · GLOBAL JECFA listing · Read the source →

Evidence & sources

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

9 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EFSA OpenFoodTox
regulatory · updated 2026-10-04
Open →
EPA Chemical and Products Database
exposure · updated November 2017
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA National Drug Code Directory
regulatory · updated 2027-12-31
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 →

Reference links (3)

Openfda substance

codexalimentarius.net

Read →

Openfda substance

apps.who.int

Read →

Openfda substance

codexalimentarius.net

Read →

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 Calcium lactate in a product composition. These are source records, not Greenveil catalog products.

Source records

Named organisations

Personal care

Typical roles

AstringentKeratolyticBufferingYeast food, acidity regulator, flour treatment agentpH adjusterThickener

See products using Calcium lactate →

Catalog

Found in these products

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

See all 18 →Find products without it →