Our Teeth Whitening Toothpaste: Peroxide-Free. Pepperminty. Boka Whitening Toothpastes use gentle ingredients that brighten and whiten. Baking soda dissolves surface stains, coconut oil gradually brightens while moisturizing gums and mouth, and nano-Hydroxyapatite helps strengthen and whiten teeth. It’s great for sensitive teeth! Invigorating Refresh Mint flavor packs a pepperminty punch – the perfect match to your mint-condition smile!