Zen Principle Hardwood Activated Charcoal Powder 100 Percent from USA Trees. All Natural. Whitens Teeth, Rejuvenates Skin and Hair, Supports Better Digestion, 40 Oz

Zen Charcoal is now Zen Principle: same trusted activated charcoal powder, best-selling on Amazon with a fresh brand identity.
6,000+ Amazon Reviews & Proven Results: customer-loved charcoal for teeth whitening, skin care, and digestive support.
Award-Winning Quality: recognized as Allure’s 2025 Best of Beauty Winner and consistently ranked among the top charcoal supplements.
Clean & Whiten Teeth Naturally: all-natural activated charcoal powder supports teeth whitening, fresh breath, clear skin, and healthy hair.
100% Pure Food-Grade Hardwood Charcoal: sourced only from Eastern American hardwood trees, renewable & kosher certified, with superior adsorption vs. bamboo alternatives.
YOUR PURCHASE GOES BEYOND PERSONAL WELLNESS: it supports the planet, too. Zen Principle is a proud member of 1% for the Planet, donating 1% of every sale to environmental causes that protect our air, water, and ecosystems. Together, we’re making wellness better for you and the world.