| abstract |
Disclosed is a skin external preparation having good temporal stability and an excellent whitening effect. SOLUTION: R 1 —O (CH 2 ) n O—R 2 (R 1 represents a hydrogen atom, a linolenic acid residue, a linoleic acid residue, an arachidonic acid residue, a docosahexaenoic acid residue, or an eicosapentaenoic acid residue; R 2 represents a linolenic acid residue, a linoleic residue, An external preparation containing at least one ester compound represented by arachidonic acid residue, docosahexaenoic acid residue, or eicosapentaenoic acid residue; n represents an integer of 5 to 20. [Selection figure] None |