Is PEG-150 Distearate safe in cosmetics?
PEG-150 Distearate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
GOOD
Cosmetic Ingredient
PEG-150 Distearate
Also known as: Poly(oxy-1,2-ethanediyl), α-(1-oxooctadecyl)-ω-[(1-oxooctadecyl)oxy]-, Glycols, polyethylene, distearate, Stearic acid, diester with polyethylene glycol, Aculyn 60, Atlas G 1821 (+14 more)
INCI: PEG-150 DISTEARATE
PEG-150 Distearate (CAS 9005-08-7) is a cosmetic cosmetic ingredient functioning as Thickener; viscosity modifier; rheology modifier. EU Regulation 1223/2009 status: permitted, max 0.5–2%. Industrial safety data is also available in the chemical safety database.
Function
Thickener; viscosity modifier; rheology modifier
Editorial assessment
GOOD
Preliminary editorial note — not a computed safety verdict.
Chemistry & Identifiers
IUPAC Name
ethane-1,2-diol;heptadecanoic acid
InChIKey
QYJQHDWGURXGNL-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
EU Max Conc.
0.5–2%
US US Status
permitted
US Notes
PEG diester forming gel network in surfactant solutions at 0.5–2%. Salt-independent thickening effective in sulfate and sulfate-free systems. Ethoxylated with 1,4-dioxane process impurity risk requiring GMP control (≤10 ppm EU). Not COSMOS/ECOCERT eligible.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for PEG-150 Distearate.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Cleaning agent
Emulsifier
Solubility enhancer
Surfactant (surface active agent)
Thickening agent
Viscosity modifier
Regulatory List Membership (1)
EPA Safer Chemical Ingredients List (SCIL)
Editorial summary
Preliminary editorial summary for PEG-150 Distearate — not a computed safety verdict. See the sourced toxicological data above.
Regulatory Flags
ethoxylated
peg-derived
1,4-dioxane-risk
thickener
salt-independent
not-cosmos
sulfate-free-compatible
eu_children_restricted
epa_safer_alternative
Known Synonyms
Poly(oxy-1,2-ethanediyl), α-(1-oxooctadecyl)-ω-[(1-oxooctadecyl)oxy]-
Glycols, polyethylene, distearate
Stearic acid, diester with polyethylene glycol
Aculyn 60
Atlas G 1821
Cithrol 60DS
Cyclo PEG (400)DS
Dispeg 200
Ethox PEG 6000DS Special
Kessco PEG 400DS
Kessco PEG 6000DS
PEG 150 distearate
Unipeg 600 DS
PEG 600 Disterate
Polyoxyethylene (13-14) Glycol Distearate
Protomate 600 DS
Jeemate 600DS
PEG 1540 distearate
PEG 1540DS
Chemical Function
Surfactant (surface active agent)
Emulsifier
Regulatory Lists
Europe; Personal care - hair styling and care - shampoo-dandruff
inert_ingredient; non_food_use; Pesticides
SCIL (9/2019)
inert_ingredient; Pesticides
Australian Status
AICIS status: listed
Frequently Asked Questions
Is PEG-150 Distearate allowed in the EU?
PEG-150 Distearate EU regulatory status: permitted. Maximum allowed concentration: 0.5–2%. This is based on EU Regulation 1223/2009 and its amendments.
What does PEG-150 Distearate do in cosmetics?
PEG-150 Distearate functions as: Thickener; viscosity modifier; rheology modifier. It is classified as a cosmetic ingredient in our database. CAS number: 9005-08-7.
Compliance Tools
Check PEG-150 Distearate compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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