PROBLEM TO BE SOLVED: To provide compositions for teeth whitening.SOLUTION: Disclosed herein are compositions that can rapidly evolve oxygen and/or activated oxygen generally including an oxidizing agent (e.g., a peroxide) and an activating agent that has an emission wavelength between about 400 nm and about 570 nm (e.g., Eosin B, Eosin Y, or Erythrosine B).SELECTED DRAWING: None【課題】歯を白くするための組成物の提供。【解決手段】酸化剤(例えば、過酸化物)、および約400nm~約570nmの発光波長を有する活性化剤(例えば、エオシンB、エオシンY、またはエリスロシンB)を一般に含む、酸素および/または活性化酸素を急速に放出することができる組成物。【選択図】なし