This is Zennlab & Pharmasen’s seal of quality. Unlike regular toothbrushes, the ZP range are each crafted with sleek and innovatively designed handles, built for a more relaxed and comfortable grip to enhance your brushing experience. Our ultrafine bristles increase the effectiveness of your oral care, removing plaque and bacteria in hard to reach areas of your mouth whilst avoiding irritation to your gums. -The Ultimate Gum Care Solution -10,000 micro soft bristles for a pressureless brushing -Experience on Sensitive gums and teeth.