Castoryl Maleate
INCI: CASTORYL MALEATE
Reviewed by Rosie · Last updated 18 Aug 2026
What Is Castoryl Maleate?
Castoryl Maleate is a modified castor oil in which some of the unsaturation has been converted to a cyclic dicarboxylic acid.
Its declared cosmetic function is skin conditioning.
Source: European Commission CosIng inventory.
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