Whiten teeth and freshen breath overnight with the next breakthrough in teeth whitening for overnight use. Crest Whitening Emulsions create a micro thin layer of active hydrogen peroxide droplets that stay on teeth longer* to whiten teeth gently while you sleep. Wake up to fresher morning breath. Crest Whitening Emulsions + Overnight Freshness is enamel safe for daily use with no rinsing or brushing required. This convenient size allows you to even whiten those hard-to-reach teeth by using the included wand applicator. It also includes a stand for counter display. Crest Whitening Emulsions removes over 10 years of stains in just 14 treatments.*vs ARC pen whitening