The present invention addresses the problem of providing a beautiful-skin-promoting agent for improving skin conditions such as dry skin, loss of elasticity, and chapped skin and/or for promoting beautiful skin； an oral composition for promoting beautiful skin containing the beautiful skin-promoting agent； and a beautifying method for improving skin condition and/or promoting beautiful skin. Provided is a beautiful skin-promoting agent that contains as an active ingredient one or a combination of two or more types selected from the group consisting of collagen peptides and blood flow-improving agents； especially camellia seed extract, thioctic acids, resveratrols, and plant extracts containing resveratrols, as well as an oral composition containing the beautiful-skin-promoting agent, and a method for oral intake of the beautiful-skin-promoting agent or the composition.
