How to Use: Crest Whitening Emulsions with Built-In Applicator Admin, October 24, 2024 https://www.youtube.com/watch?v=m9wK0eFR9Gc&showinfo=0&rel=0Your step-by-step guide on how to use Crest Whitening Emulsions with Built-In Applicator. No need to rinse or remove. Just apply and go! Use up to 4x a day for best results. Step 1: Dry teeth. Step 2: Apply on smile teeth until fully coated. Step 3: Wait 30 minutes before eating or drinking. Step 4: Use twice daily. Healthy Gums Healthy Teeth Oral health Teeth Whitening