It doesn't foam because it doesn't contain any foaming agents. The strong mint flavor definitely had a minty taste. It's a strong mint, but I didn't notice the harshness that's often associated with toothpaste (though this may vary from person to person). It's supposed to restore the natural whiteness of your teeth. While it might not be a good choice for those looking for bright white teeth, brushing with it daily should effectively remove stains from food and drink. While it doesn't contain fluoride, it does contain hydroxyapatite, which may help prevent cavities. Ingredients: Cleaning Agent: Calcium Carbonate, Hydroxyapatite, Coral Powder, Hydrous Silica, Charcoal; Cleaning Aid: Sodium Bicarbonate, Pentasodium Triphosphate; Binder: Xanthan Gum; Sweetener: Stevia Leaf/Stem Extract, Xylitol; Humectant: Dipotassium Glycyrrhizate; Flavoring: Peppermint Oil, Illicium Verum Fruit/Seed Oil. There's a warning not to swallow.