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Cosmetic ingredient dictionary

Dimethyl Stearamine in cosmetics: what it is and what it does

Dimethyl Stearamine is a cosmetic ingredient that keeps oil and water mixed. The EU allows it only with limits or conditions. Open Beauty Facts finds it in 13 products, most often hair care.

By Bravoora teamUpdated Sources checked 3 sourcesHow we check

What does Dimethyl Stearamine do in a product?

In a cosmetic product, Dimethyl Stearamine keeps oil and water mixed, makes hair easier to comb, softer or shinier, and reduces static, so hair stays flat. The EU’s CosIng database lists these jobs for it: emulsifying, hair conditioning and antistatic.

emulsifyinghair conditioningantistatic

What other names and numbers does Dimethyl Stearamine have?

CAS number
124-28-7
EC number
204-694-8
CosIng reference
33490

Is Dimethyl Stearamine restricted in the EU?

Yes, it has limits. The EU allows it only with limits or conditions of use, such as a maximum amount or a warning on the label (Annex III of Regulation 1223/2009, entry 62).

The annex entry sets the exact limits, the products it may be used in and any warning the label must carry.

Which products contain Dimethyl Stearamine?

Open Beauty Facts finds Dimethyl Stearamine in the ingredient lists of 13 of the 22,021 products it has a list for, most often hair care and hair sprays.

  • Hair care4
  • Hair sprays3

Products with it, by country of sale: United States 5 · France 4 · Germany 1 · Switzerland 1.

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

On these listsEmulsifiersRestricted in the EU

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
  3. EU Regulation 1223/2009 on cosmetic products (the annexes)

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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