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Cosmetic ingredient dictionary

Octadecyl Di-T-Butyl-4-Hydroxyhydrocinnamate in cosmetics: what it is and what it does

Octadecyl Di-T-Butyl-4-Hydroxyhydrocinnamate is a cosmetic ingredient that stops the product reacting with oxygen and going off. Open Beauty Facts finds it in 36 products, most often shower gels.

By Bravoora teamUpdated Sources checked 2 sourcesHow we check

What does Octadecyl Di-T-Butyl-4-Hydroxyhydrocinnamate do in a product?

In a cosmetic product, Octadecyl Di-T-Butyl-4-Hydroxyhydrocinnamate 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 Octadecyl Di-T-Butyl-4-Hydroxyhydrocinnamate have?

CAS number
2082-79-3
EC number
218-216-0
CosIng reference
57555

Which products contain Octadecyl Di-T-Butyl-4-Hydroxyhydrocinnamate?

Open Beauty Facts finds Octadecyl Di-T-Butyl-4-Hydroxyhydrocinnamate in the ingredient lists of 36 of the 22,021 products it has a list for, most often shower gels, liquid soaps and bath and shower.

  • Shower gels4
  • Liquid soaps2
  • Bath and shower2
  • Lip makeup2
  • Makeup2
  • Shampoo and shower gels1

Products with it, by country of sale: Germany 15 · France 6 · Morocco 3 · Spain 2.

Counted on 13 October 2026 from Open Beauty Facts, which volunteers fill from real packs: it shows where Octadecyl Di-T-Butyl-4-Hydroxyhydrocinnamate 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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