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Researched by Helena DeMaria-Williams

Formula IngredientEmulsifier

Ceteareth-12

INCI: Ceteareth-12

Ceteareth-12 is an ethoxylated fatty alcohol emulsifier created by adding an average of 12 moles of ethylene oxide to cetearyl alcohol. With fewer ethylene oxide units than Ceteareth-20, it sits closer to the lipophilic end of the HLB scale, making it better suited for water-in-oil emulsions. It is commonly used alongside higher-HLB emulsifiers to create stable emulsion systems.

Category

Emulsifier

Irritation Risk

Medium

Skin Types

normal, dry, combination skin types

What does this do in a formula?

emulsification, formula stabilisation, oil-water blending, co-emulsifier

Is Ceteareth-12 safe? Key considerations

Can Ceteareth-12 cause irritation?

Medium Risk

As an ethoxylated ingredient, ceteareth-12 can be mildly irritating to very sensitive skin. Like all ethoxylated ingredients, there is a theoretical concern about trace 1,4-dioxane contamination from the manufacturing process, though reputable manufacturers purify to remove this. No EU CosIng Annex II or III restrictions apply.

Does Ceteareth-12 increase sun sensitivity?

No Risk

Ceteareth-12 does not increase photosensitivity.

Is Ceteareth-12 safe during pregnancy?

Safe

Ceteareth-12 is a standard cosmetic emulsifier with no systemic absorption concerns at typical concentrations. It is considered safe during pregnancy.

How does Ceteareth-12 work?

Ceteareth-12 is an ethoxylated fatty alcohol emulsifier created by adding an average of 12 moles of ethylene oxide to cetearyl alcohol. With fewer ethylene oxide units than Ceteareth-20, it sits closer to the lipophilic end of the HLB scale, making it better suited for water-in-oil emulsions. It is commonly used alongside higher-HLB emulsifiers to create stable emulsion systems.

Individuals with very sensitive skin, highly acne-prone skin should review the considerations above before use.

Which products contain Ceteareth-12?

Shop products that contain Ceteareth-12