CINNAMIC ACID DERIVATIVE AND EXTERNAL SKIN TREATMENT PREPARATION CONTAINING THE SAME

摘要

CINNAMIC ACID DERIVATIVE AND EXTERNAL SKIN TREATMENT PREPARATION CONTAINING THE SAME A cinnamic acid derivative having the formula: (I) wherein R represents an alkyl or alkenyl group having 5 to 24 carbon atoms which may contain an oxygen atom and an external skin treatment preparation containing the same.