Charcoal Infused For Impurities.Eco-Friendly, comb with built-in natural oil and mineral treatment. Teeth are infused to distribute oils and minerals through hair while you comb, delivering a rich supply of nutrients to moisturize and repair hair.WaveTooth Design - same great pain-free detangling now infused with oils and minerals catering to specific hair needs. Detangling comb is perfect for those who prefer detangling with a comb.