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Cetostearyl alcohol

CAS 1336-34-1 · 0/100 · High conf.

Also registered as 17 other CAS numbers

8032-20-0 · 8032-22-2 · 8032-92-6 · 8033-00-9 · 8034-88-6 · 8038-54-8 · 12705-32-7 · 39315-71-4 · 52003-59-5 · 58392-01-1 · 58392-68-0 · 63393-84-0 · 67762-43-0 · 78565-03-4 · 199745-51-2 · 8005-44-5 · 67762-27-0

Concern score

0/100Low concern — well-established and permitted without restriction (CIR safe as used; EU CosIng).
High confidence

Cetostearyl alcohol in plain language

What it is

On cosmetic ingredient lists it appears as “Cetearyl alcohol”.

Also known as Cetearyl alcohol · Alcohols, C16-18 · Cetyl/stearyl alcohol · (C16-C18) Alkyl alcohol · Aec cetearyl alcohol · Alfol 1618 alcohol

Show all 18 names

Alfol 1618CG alcohol · Alfol 1618E alcohol · Alcohols, (C=16-18) · Alcools en C16-18 · Alcs., C16-18 · Alfol 1618C · Alkohole, C16-18- · Crodacol 1618 · Ceto-stearyl alcohol · alcohol cetylicus et stearylicus · alcoholes, C16-18 · cetylstearyl alcohol

What it does

Used in cosmetics as an emollient, an emulsifier and a cleansing agent.

  • Emollient
  • Emulsifying
  • Cleansing
  • Emulsion stabilising
  • Opacifying
  • Foam boosting
Is it a concern?
Low concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

Why it's flagged

EPA CPDat observed this chemical in 12307 composition records across product categories including Personal care, Cleaning products and household care, Food and drug.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Cetostearyl alcohol appears in these published regulatory listings.

  • Inactive ingredient in US drugs
  • In marketed US drugs

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Pharma
  • Food
  • Industrial
  • USFDAinactive ingredient database9 entries — 3 administration routes
    • Route: ORAL; Dosage form: CAPSULE, EXTENDED RELEASE; Potency: 9.43 mgSource →
    • Route: ORAL; Dosage form: TABLET, EXTENDED RELEASE; Maximum daily exposure: 800 mgSource →
    • Route: TOPICAL; Dosage form: AEROSOL, FOAM; Maximum daily exposure: 21 mgSource →
    • Route: TOPICAL; Dosage form: CREAM; Maximum daily exposure: 1428 mgSource →
    • Route: TOPICAL; Dosage form: LOTION; Maximum daily exposure: 3627 mgSource →
    • Route: TOPICAL; Dosage form: OINTMENT; Potency: 1.2 %w/wSource →
    • Route: TOPICAL; Dosage form: SPRAY; Potency: 1 %w/wSource →
    • Route: VAGINAL; Dosage form: CREAM; Maximum daily exposure: 6 mgSource →
    • Route: VAGINAL; Dosage form: SUPPOSITORY; Potency: NASource →
  • EUCosIngActiveAlcohols, C16-18
  • USEPAcommercial use observedEPA CPDat observed this chemical in 12307 composition records across product categories including Personal care, Cleaning products and household care, Food and drug. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Emulsifier, Stabilizing agent.
    • EPA CPDat observed this chemical in 12307 composition records across product categories including Personal care, Cleaning products and household care, Food and drug. EPA CPDat classifies this chemical for functional uses including Softener and conditioner, Emulsifier, Stabilizing agent.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 3 drug products and 3 package presentations.
    • FDA NDC lists this ingredient in 3 drug products and 3 package presentations.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as mixture.
    • openFDA substance registry classifies this ingredient as mixture.Source →

Expert safety opinions

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

7 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated september 9, 2014

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA Inactive Ingredient Database

    regulatory · updated 2026-01-09

    Open →

  • FDA National Drug Code Directory

    regulatory · updated 2028-03-06

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

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

Source records

12,307

Named organisations

6

Personal careCleaning products and household careFood and drugMedical/dentalRaw materials

Typical roles

EmollientEmulsifyingCleansingEmulsion stabilisingOpacifyingFoam boosting
See products using Cetostearyl alcohol →

Catalog

Found in these products

Their ingredient lists include Cetostearyl alcohol; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 1000+ →Find products without it →

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Cetostearyl alcohol in the catalog.