Cosmetic ingredient dictionary

PEG-45m in cosmetics: what it is and what it does

PEG-45m is a cosmetic ingredient that holds water in the skin or the product. Open Beauty Facts finds it in 97 products, most often shampoos.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does PEG-45m do in a product?

In a cosmetic product, PEG-45m holds water in the skin or the product. The EU’s CosIng database lists this job for it: humectant.

humectant

What other names and numbers does PEG-45m have?

CAS number
25322-68-3
CosIng reference
76914

Which products contain PEG-45m?

Open Beauty Facts finds PEG-45m in the ingredient lists of 97 of the 22,021 products it has a list for, most often shampoos, hair care and shampoos for colored hair.

  • Shampoos16
  • Hair care12
  • Shampoos for colored hair2

Products with it, by country of sale: France 17 · Australia 16 · Germany 12 · Canada 9.

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

On these listsHumectants

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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