What does Lactobacillus/olive leaf ferment extract do?

Used in cosmetics as a humectant, a skin-conditioning agent and a hair conditioner. Lactobacillus/Olea europaea Leaf Ferment Extract is the extract of the product obtained by the fermentation of the leaves of Olea europaea (olive) by the microorganism, Lactobacillus.

Is Lactobacillus/olive leaf ferment extract safe?

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

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Lactobacillus/olive leaf ferment extract

Concern score

Not assessed — no hazard data yet.

Lactobacillus/olive leaf ferment extract in plain language

What it is: On cosmetic ingredient lists it appears as “Lactobacillus/olea europaea leaf ferment extract”.
Also known as Lactobacillus/olea europaea leaf ferment extract
What it does: Used in cosmetics as a humectant, a skin-conditioning agent and a hair conditioner. Lactobacillus/Olea europaea Leaf Ferment Extract is the extract of the product obtained by the fermentation of the leaves of Olea europaea (olive) by the microorganism, Lactobacillus.
Humectant
Skin conditioning
Hair 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 2 public-source records.

Regulation

No restrictions found. Lactobacillus/olive leaf ferment extract appears in these published regulatory listings.

EUCosIngActive2 entries
- Lactobacillus/Olea europaea Leaf Ferment Extract is the extract of the product obtained by the fermentation of the leaves of Olea europaea (olive) by the microorganism, LactobacillusSource →
- Lactobacillus/Olive Leaf Ferment Extract is the extract of the product obtained by the fermentation of the leaves of Olea europaea (olive) by the microorganism, LactobacillusSource →

Expert safety opinions

No expert opinion on file for Lactobacillus/olive leaf ferment extract. 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 Lactobacillus/olive leaf ferment extract 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.