Phosphatidic Acid
INCI: PHOSPHATIDIC ACID
Reviewed by Rosie · Last updated 18 Aug 2026
What Is Phosphatidic Acid?
Phosphatidic Acid is the phospholipid in which one of the primary hydroxyl groups of glycerin is esterified with phosphoric acid; and the two remaining hydroxyl groups are esterified with long chain, saturated or unsaturated fatty acids.
Its declared cosmetic functions are emollient, emulsion stabilising, skin conditioning and surfactant.
Source: European Commission CosIng inventory.
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