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Researched by Helena DeMaria-Williams

Formula IngredientEmulsifier

Dicetyl Phosphate

INCI: Dicetyl Phosphate

Dicetyl phosphate (dihexadecyl hydrogen phosphate) is a phospholipid-based emulsifier and surfactant used in cosmetic formulations. It helps stabilise oil-in-water and water-in-oil emulsions, enabling the blending of aqueous and lipid phases. It is structurally related to naturally occurring phospholipids in cell membranes.

Category

Emulsifier

Irritation Risk

Low

Skin Types

all skin types

What does this do in a formula?

emulsification, formulation stability, improved product texture, enhanced ingredient delivery

Is Dicetyl Phosphate safe? Key considerations

Can Dicetyl Phosphate cause irritation?

Low Risk

Generally well tolerated at cosmetic concentrations. EWG rates it as safe. CIR (Cosmetic Ingredient Review) gives it a B rating. No EU CosIng Annex II or III restrictions apply. Comedogenicity rating of 0.

Does Dicetyl Phosphate increase sun sensitivity?

No Risk

Dicetyl phosphate does not increase photosensitivity. No special sun protection measures are required.

Is Dicetyl Phosphate safe during pregnancy?

Safe

No specific pregnancy concerns noted in available safety databases. As a phospholipid-based emulsifier with no known systemic absorption concerns at cosmetic concentrations, it is generally considered safe during pregnancy.

How does Dicetyl Phosphate work?

Dicetyl phosphate (dihexadecyl hydrogen phosphate) is a phospholipid-based emulsifier and surfactant used in cosmetic formulations. It helps stabilise oil-in-water and water-in-oil emulsions, enabling the blending of aqueous and lipid phases. It is structurally related to naturally occurring phospholipids in cell membranes.

Which products contain Dicetyl Phosphate?

Shop products that contain Dicetyl Phosphate