Using a single piece of 6061 Aluminum which is anodized to 12 microns, the Dencrus handle will last you a lifetime of tooth brushing. The aluminum is sourced from beverage recycling centers and machined in Howrah, India. With its minimalist design, quality Indian workmanship and attractive good looks, you'll soon realize that this is the touch of luxury that's been missing from your daily routine. Dencrus Eco Bamboo Head is made from certified Blumeana Bamboo and 100% plant based soft bristles (Check QR Code). Unique curved pattern gently hugs tooth surfaces and gums to remove plaque and bacteria. Reduces gingivitis and removes plaque. The simple push and twist method allows the Eco Bamboo Head to slot into the Dencrus? with ease when the bristles on your old head wears out. The best part Its 100% biodegradable. Simply remove the bristles and staples with a pair of pliers and you can compost the bamboo head in your own home compost. Dentist recommends to change your toothbrush every three month.