Avoid staining foods and drinks like coffee, tea, red wine
https://zanderckjg432.timeforchangecounselling.com/the-white-diet-plan-what-to-drink-and-eat-after-your-treatment
Prevent staining foods and beverages like coffee, tea, red white wine, and curry after whitening; the first 2 days are important to preserve your brand-new shade and avoid regression.