What does Amp-isostearoyl hydrolyzed keratin do?

Used in cosmetics as a skin-conditioning agent, a cleansing agent and a hair conditioner. Amp-Isostearoyl Hydrolyzed Keratin is the aminomethylpropanol salt of the condensation product of isostearic acid chloride with Hydrolyzed Keratin.

Is Amp-isostearoyl hydrolyzed keratin 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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Amp-isostearoyl hydrolyzed keratin

Concern score

Not assessed — no hazard data yet.

Amp-isostearoyl hydrolyzed keratin in plain language

What it does: Used in cosmetics as a skin-conditioning agent, a cleansing agent and a hair conditioner. Amp-Isostearoyl Hydrolyzed Keratin is the aminomethylpropanol salt of the condensation product of isostearic acid chloride with Hydrolyzed Keratin.
Skin conditioning
Cleansing
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. Amp-isostearoyl hydrolyzed keratin appears in these published regulatory listings.

EUCosIngActiveAmp-Isostearoyl Hydrolyzed Keratin is the aminomethylpropanol salt of the condensation product of isostearic acid chloride with Hydrolyzed Keratin Restriction: III/61
- Amp-Isostearoyl Hydrolyzed Keratin is the aminomethylpropanol salt of the condensation product of isostearic acid chloride with Hydrolyzed Keratin Restriction: III/61Source →

Expert safety opinions

No expert opinion on file for Amp-isostearoyl hydrolyzed keratin. 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 Amp-isostearoyl hydrolyzed keratin 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.