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Propylene glycol monostearate

CAS 142-75-6

Concern score

Not assessed — no hazard data yet.

Propylene glycol monostearate in plain language

What it is

Also known as Propylene glycol 1-monostearate · 2-Hydroxypropyl octadecanoate · Octadecanoic acid, 2-hydroxypropyl este · Octadecanoic acid, 2-hydroxypropyl ester · monostearate Propylene glycol · Propyleneglycol stearate

Show all 7 names

propylene glycol stearate

What it does

Used in consumer products as a surfactant, a fragrance ingredient and a conditioner.

  • Surfactant
  • Fragrance
  • Conditioner
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Propylene glycol monostearate appears in these published regulatory listings.

  • Inactive ingredient in US drugs

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • USFDAinactive ingredient database4 entries — 2 administration routes
    • Route: TOPICAL; Dosage form: CREAM; Maximum daily exposure: 257 mgSource →
    • Route: TOPICAL; Dosage form: LOTION; Maximum daily exposure: 60 mgSource →
    • Route: TOPICAL; Dosage form: OINTMENT; Potency: 8 %w/wSource →
    • Route: VAGINAL; Dosage form: CREAM; Maximum daily exposure: 140 mgSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 100 composition records across product categories including Personal care, Batteries. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Fragrance, Softener and conditioner.
    • EPA CPDat observed this chemical in 100 composition records across product categories including Personal care, Batteries. EPA CPDat classifies this chemical for functional uses including Surfactant (surface active agent), Fragrance, Softener and conditioner.Source →

Expert safety opinions

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

3 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated September 2018

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA Inactive Ingredient Database

    regulatory · updated 2026-01-09

    Open →

Suitability

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

Fragrance avoidance

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

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

Source records

100

Named organisations

6

Personal careBatteries

Typical roles

SurfactantFragranceConditioner
See products using Propylene glycol monostearate →

Catalog

Found in these products

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

See all 266 →Find products without it →

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Propylene glycol monostearate in the catalog.