Philips Sonicare 9900 Prestige vs Foreo ISSA 3: Sonic Toothbrush Showdown

Philips Sonicare 9900 Prestige vs Foreo ISSA 3: Sonic Toothbrush Showdown

Zach is no crazy rich Asian, but he does have a S$500 smart, connected vibrating toothbrush. How does it compare to his older S$250 non-smart, but also vibrating toothbrush? Find out in another episode of What Would Zach Do.