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Cosmetic ingredient dictionary

PEG-400 in cosmetics: what it is and what it does

PEG-400 is a cosmetic ingredient that dissolves other ingredients. Open Beauty Facts finds it in 17 products, most often soaps.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does PEG-400 do in a product?

In a cosmetic product, PEG-400 dissolves other ingredients, holds a powder or a pressed product together and keeps an emulsion from separating. The EU’s CosIng database lists these jobs for it: solvent, binding and emulsion stabilising.

solventbindingemulsion stabilising

What other names and numbers does PEG-400 have?

CAS number
25322-68-3
CosIng reference
56862

Which products contain PEG-400?

Open Beauty Facts finds PEG-400 in the ingredient lists of 17 of the 22,021 products it has a list for, most often soaps, toothpastes and sunscreen.

  • Soaps4
  • Toothpastes4
  • Sunscreen1
  • Facial creams1
  • Body milks1

Products with it, by country of sale: France 3 · United States 3 · Russia 2 · Poland 2.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where PEG-400 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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