What does Butyris lac powder do?

Used in cosmetics as a skin-conditioning agent and a hair conditioner. Naturally occuring substances, dried buttermilk obtained by the dehydration of the liquid recovered from the churning of cow's milk or cream to prepare butter.

Is Butyris lac powder 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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Butyris lac powder

Concern score

Not assessed — no hazard data yet.

Butyris lac powder in plain language

What it is: Also known as Buttermilk powder; dried buttermilk
What it does: Used in cosmetics as a skin-conditioning agent and a hair conditioner. Naturally occuring substances, dried buttermilk obtained by the dehydration of the liquid recovered from the churning of cow's milk or cream to prepare butter.
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 1 public-source records.

Regulation

No restrictions found. Butyris lac powder appears in these published regulatory listings.

EUCosIngActiveNaturally occuring substances, dried buttermilk obtained by the dehydration of the liquid recovered from the churning of cow's milk or cream to prepare butter
- Naturally occuring substances, dried buttermilk obtained by the dehydration of the liquid recovered from the churning of cow's milk or cream to prepare butterSource →

Expert safety opinions

No expert opinion on file for Butyris lac powder. 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 Butyris lac powder 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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Allergen profile

Canonical allergen markers detected on this ingredient. Each row is derived from the ingredient’s name or synonyms matching a known allergen class — useful when scanning a label for a specific allergy context.

DairyContains · Oral (ingested)
Source: chemindex_name_match

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.