You've never seen teeth whitening like this! The all-new Crest Whitening Emulsions is a breakthrough formula featuring a thin layer of 5x more active peroxide droplets* suspended in a hydrating base to whiten teeth with virtually no sensitivity**. This means it starts working instantly and stays on teeth 10X longer, with no need to rinse or brush off. This convenient, pocket size tube with a built-in applicator is great for whitening your teeth throughout the day. Just apply on your teeth and go! It is safe to consume, removes stains and prevents new stains. Emulsions whiten better, faster and give you 100% whiter* teeth. *vs ARC pen whitening **Based on one application per day. (1) 12 mL tube of Crest Whitening Emulsions. Better. Faster. 100% Whiter* Teeth. Virtually No Sensitivity**. *vs ARC pen whitening **Based on one application per day. Perfect for on-the-go, Crest Whitening Emulsions is small enough to pop in your makeup bag, purse, or pocket.. Just Apply & Go!. Our first ever hydrating whitening treatment contains 5x more active peroxide droplets* in a hydrating base for Virtually No Sensitivity**. *vs ARC pen whitening **Based on one application per day. Absorbs quickly with no rinsing or brushing off required.. Enamel safe for use up to 4x per day. For best results continue to apply for 14 treatments.. It is safe to consume. Ingredients: Petrolatum, Water, Hydrogen Peroxide, Aroma, Sucralose, Sorbitan Palmitate.