big + bulky mouthwash bottles are so last year. and the amount of plastic they use totally stinks. with our small + spitacular mouthwash concentrate you get… 34% less plastic + 92% less water shipped per bottle of concentrate + more doses than a 16 fl oz mouthwash bottle. #h2woah compared to a 16 fl oz hello adult mouthwash bottle dosed at 20 ml twice a day and using 2 pumps of concentrate twice a day. compared to a 16 fl oz hello adult mouthwash bottle. rinses away stuff brushing misses takes your (bad) breath away moisturizes magnificently freshens breath up to 64 uses