Post-whitening, select a "white diet plan" for 24-- 48 hours: chicken, rice, cauliflower, milk

https://telegra.ph/Is-Teeth-Whitening-Safe-Professional-Security-Tips-and-Guidelines-04-17

Post-whitening, choose a "white diet" for 24-- 48 hours: chicken, rice, cauliflower, milk, and water minimize color uptake during the vulnerable period.