Post-whitening, pick a "white diet" for 24-- 2 days: chicken, rice, cauliflower, milk

https://martinvddt734.iamarrows.com/the-role-of-led-lights-in-professional-teeth-whitening

Post-whitening, pick a "white diet" for 24-- 48 hours: chicken, rice, cauliflower, milk, and water reduce color uptake throughout the susceptible period.