Cosmetic ingredient dictionary

Dilauryl Thiodipropionate in cosmetics: what it is and what it does

Dilauryl Thiodipropionate is a cosmetic ingredient that stops the product reacting with oxygen and going off. Open Beauty Facts finds it in 30 products, most often deodorants.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Dilauryl Thiodipropionate do in a product?

In a cosmetic product, Dilauryl Thiodipropionate stops the product reacting with oxygen and going off. The EU’s CosIng database lists this job for it: antioxidant.

antioxidant

What other names and numbers does Dilauryl Thiodipropionate have?

CAS number
123-28-4
EC number
204-614-1
CosIng reference
75573

Which products contain Dilauryl Thiodipropionate?

Open Beauty Facts finds Dilauryl Thiodipropionate in the ingredient lists of 30 of the 22,021 products it has a list for, most often deodorants, body toner and sunscreen.

  • Deodorants10
  • Body toner2
  • Sunscreen1

Products with it, by country of sale: France 18 · Singapore 4 · United States 2 · Morocco 2.

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

On these listsAntioxidants

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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