The present invention relates to an external agent for the skin comprising an extract prepared from olive plants and also relates to an external agent for the skin comprising the extract as a skin-beautifying component, in particular, as an ant-aging component for the skin and/or a whitening component. The extract can be prepared by extracting olive plants and/or products generated during and after the olive oil-manufacturing processes with water and/or an organic solvent and further the extract can further be subjected to a concentration treatment and/or a fractionation-purification treatment to thus improve each effect. Moreover, the present invention also relates to a skin-beautifying agent, in particular, an anti-aging agent and a skin-whitening agent, containing the extract as an effective component.
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