What does Spent oil sophorolipids do?

Used in cosmetics as an antimicrobial, an emulsifier and a surfactant. Spent Oil Sophorolipids are Glycolipids produced through the fermentation of fructose or dextrose with the fatty acids derived from Spent Oil, which could include oils from various vegetables, by the microorganism, Starmerella bombicola.

Is Spent oil sophorolipids safe?

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

beauty

Spent oil sophorolipids

Concern score

Not assessed — no hazard data yet.

Spent oil sophorolipids in plain language

What it does: Used in cosmetics as an antimicrobial, an emulsifier and a surfactant. Spent Oil Sophorolipids are Glycolipids produced through the fermentation of fructose or dextrose with the fatty acids derived from Spent Oil, which could include oils from various vegetables, by the microorganism, Starmerella bombicola.
Antimicrobial
Emulsifying
Surfactant
Cleansing
Foam boosting
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. Spent oil sophorolipids appears in these published regulatory listings.

EUCosIngActiveSpent Oil Sophorolipids are Glycolipids produced through the fermentation of fructose or dextrose with the fatty acids derived from Spent Oil, which could include oils from various vegetables, by the microorganism, Starmerella bombicola.
- Spent Oil Sophorolipids are Glycolipids produced through the fermentation of fructose or dextrose with the fatty acids derived from Spent Oil, which could include oils from various vegetables, by the microorganism, Starmerella bombicola.Source →

Expert safety opinions

No expert opinion on file for Spent oil sophorolipids. 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 Spent oil sophorolipids 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.