An object is to provide a composition for whitening teeth superior in a flavor without deteriorating the whitening performance, the composition for whitening teeth including: at least one of urea peroxide, and hydrogen peroxide； isoamyl propionate； ethyl n-octanoate； ethyl 3-methyl-3-phenylglycidate； and a compound having a β-dicarbonyl structure in an amount of 0 mass % to 0.001 mass % on the basis of the composition.
