Introducing Gum Detoxify Gentle Whitening from Crest. There are millions of harmful plaque bacteria that can lurk around the gum line and cause gingivitis. Crest Gum Detoxify Gentle Whitening Toothpaste has an activated foam formula that penetrates hard to reach places to help neutralize harmful plaque bacteria around the gum line, clinically proven to reduce gum bleeding to fortify gums and to provide a brighter, whiter smile. Provides a cooling sensation during and after brushing for a refreshing clean. Because if you're not taking care of your gums, you're not really taking care of your mouth. Helps Neutralize Plaque Bacteria, Around the Gumline for 24 Hours with twice daily brushing.