+18 Colgate Optic White Led Light References. Our hydrogen peroxide serum works with the indigo led whitening device to give you dramatic whitening results in just 10 minutes a day*. Colgate optic white comfortfit led teeth whitening kit includes one (1) teeth whitening pen and one (1) led whitening light.
*10 minutes a day for 5 days. Web now, whitening your teeth is easy! Web reveal your whiter, brighter smile at home.
