It's not just whitening- it's therapy for your teeth that repairs weakened enamel. Crest 3D White Whitening Therapy Enamel Care nourishes teeth to repair weakened enamel and beautifully whitens. The 3D White Whitening Therapy collection is formulated with an Active Mineral Complex. The Enamel Care formula helps to remineralize your enamel. This formula gently lifts impurities and is specifically formulated to envelop each tooth to whiten and strengthen your teeth. whitens by removing surface stains