What does Myristyl betaine do?

Used in cosmetics as a skin-conditioning agent, a cleansing agent and a hair conditioner.

Is Myristyl betaine safe?

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

beauty
cleaning
industrial

Myristyl betaine

CAS 41117-57-1

Also registered as 1 other CAS number

2601-33-4

Concern score

Not assessed — no hazard data yet.

Myristyl betaine in plain language

What it is: Also known as Myristyldimethyl betaine · N-tetradecyl betaine · (Carboxylatomethyl)dimethyltetradecylammonium · (N,N-Dimethylmyristylammonio)acetate · 2-(dimethyl(tetradecyl)ammonio)acetate · AcMDMAC C14
Show all 12 names
Myristyl dimethyl glycine · Myristyl dimethyl betaine · N-dimethylglycine n-tetradecyl-n · Rikabion A 200 · Tetradecyl dimethylbetaine · UNII-95C19D1X0B
What it does: Used in cosmetics as a skin-conditioning agent, a cleansing agent and a hair conditioner.
Skin conditioning
Cleansing
Hair conditioning
Antistatic
Foam boosting
Surfactant
Is it a concern?: We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

Regulation

No restrictions found. Myristyl betaine appears in these published regulatory listings.

Recorded in these product areas

Found in consumer products
Cleaning
Industrial

EUCosIngActive(Carboxylatomethyl)dimethyltetradecylammonium
- (Carboxylatomethyl)dimethyltetradecylammoniumSource →
USEPAcommercial use observedEPA CPDat observed this chemical in 4 composition records across product categories including Cleaning products and household care, Raw materials. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Anti-static agent, Softener and conditioner.
- EPA CPDat observed this chemical in 4 composition records across product categories including Cleaning products and household care, Raw materials. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Anti-static agent, Softener and conditioner.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Myristyl betaine. 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 Myristyl betaine yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

CosIng
regulatory · updated 2026-09-23
Open →
EPA Chemical and Products Database
exposure · updated January 7, 2008
Open →
EPA DSSTox Identifiers
chemistry · updated 2025-12-29
Open →
FDA GSRS UNII
registry · updated 2026-02-26
Open →
openFDA Substance
registry · updated 2026-05-24
Open →
PubChem Live Enrichment
chemistry · updated 2026-05-17
Open →

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.

Where it has been recorded

How often EPA CPDat has listed Myristyl betaine in a product composition. These are source records, not Greenveil catalog products.

Source records

Named organisations

Cleaning products and household careRaw materials

Typical roles

Skin conditioningCleansingHair conditioningAntistaticFoam boostingSurfactant

See products using Myristyl betaine →