Bad experience with huggies size 6 pull-up pants for girls

Ever since iv bought the new size 6 huggies pull up pant for girls my daughter uses it once passes a little urine and it leaks I bought a second pack just to make sure and it does the same we have been using it all along however are very disappointed did something change with the product?! I feel I wasted my money u trust a product and its a let down