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Cosmetic ingredient dictionary

PEG-45/Dodecyl Glycol Copolymer in cosmetics: what it is and what it does

PEG-45/Dodecyl Glycol Copolymer is a cosmetic ingredient that keeps an emulsion from separating. Open Beauty Facts finds it in 7 products, most often face care.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does PEG-45/Dodecyl Glycol Copolymer do in a product?

In a cosmetic product, PEG-45/Dodecyl Glycol Copolymer keeps an emulsion from separating. The EU’s CosIng database lists this job for it: emulsion stabilising.

emulsion stabilising

What other names and numbers does PEG-45/Dodecyl Glycol Copolymer have?

CAS number
78336-31-9
CosIng reference
76913

Which products contain PEG-45/Dodecyl Glycol Copolymer?

Open Beauty Facts finds PEG-45/Dodecyl Glycol Copolymer in the ingredient lists of 7 of the 22,021 products it has a list for, most often face care, facial creams and body care.

  • Face care1
  • Facial creams1
  • Body care1
  • Hand creams1

Products with it, by country of sale: France 2 · Norway 2 · United States 1 · Germany 1.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where PEG-45/Dodecyl Glycol Copolymer turns up, not how much of the market it is.

Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dermatologists, dietitians and doctors

Sources

The job, the description and the EU annex entry are CosIng’s; the fragrance allergens are the EU Annex III names Bravoora’s label checker reads; the product counts are Open Beauty Facts’.

  1. European Commission: CosIng cosmetic ingredient database (functions, description, EU annex entry)
  2. Open Beauty Facts: product database, 77,506 products, read 13 October 2026, ODbL

Contains information from Open Beauty Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check

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