What does Leuconostoc do?

Used in cosmetics as a skin-conditioning agent. Leuconostoc is one or more species of the microorganism, Leuconostoc.

We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

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Leuconostoc

Concern score

Not assessed — no hazard data yet.

Leuconostoc in plain language

What it does: Used in cosmetics as a skin-conditioning agent. Leuconostoc is one or more species of the microorganism, Leuconostoc.
Skin conditioning
Is it a concern?: We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

What we know about this ingredient

Canonical ingredient record built from 1 public-source records.

Regulation

No restrictions found. Leuconostoc appears in these published regulatory listings.

EUCosIngActiveLeuconostoc is one or more species of the microorganism, Leuconostoc.
- Leuconostoc is one or more species of the microorganism, Leuconostoc.Source →

Expert safety opinions

No expert opinion on file for Leuconostoc. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

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.

Evidence & sources

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

1 data source

Where this comes from

CosIng
regulatory · updated 2026-09-23
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Suitability

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

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Catalog

Found in these products

Cosmetic and personal-care products that list Leuconostoc are shown first. Their ingredient lists include Leuconostoc; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 9 →Find products without it →