Charcoal infused bristles. 2x softer bristles (vs. Colgate Extra Clean soft toothbrush). Gentle whitening (by removing surface stains, when used with Tom's Activated Charcoal toothpaste). Since 1970. New! 2X softer bristles (vs. Colgate Extra Clean soft toothbrush) and 5X more bristles (vs. an ordinary flat trim brush) for a clean that's effective yet gentle on gums. Removes plaque to help protect against cavities. What's inside matters. BPA-free bristles, infused with charcoal. www.tomsofmaine.com. Learn more about our Stewardship Model and what we mean by natural at www.tomsofmaine.com. Certified B Corporation. BPA free bristles. 50% recycled handle. Handle is 50% made from food grade recycled plastic that's over 99.9999% BPA-free! Terracycle. Made in Switzerland.