The present invention relates to a composition for suppressing pore contraction or sebum secretion comprising a chestnut extract as an active ingredient. It was confirmed that the chestnut extract, which is an active ingredient contained in the composition according to the present invention, inhibits the SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor) complex formation and inhibits the release of neurotransmitters, And can be suitably used as an active ingredient of a composition for suppressing scaling or sebum secretion.;Chestnut flower, SNARE complex, pore reduction, sebum suppression
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