it goes below he enamel surface to whiten as well as a five-hundred dollar professional treatment. wow, that's you? [ female announcer ] new intensive professional effects whitestrips. but my nose is still runny. [ male announcer ] truth is, dayquil doesn't treat that. really? [ male announcer ] alka-seltzer plus fights your worst cold symptoms, plus it relieves your runny nose. [ deep breath] awesome. [ male announcer ] yes, it is. that's the cold truth!