How often do you come across a beauty product that genuinely changes the game? Not just a nice-to-have, but something that actually works, solving a problem you’d given up on. The shampoo that really defrizzes. The foundation that lasts all day without creasing. The serum that calms, rather than irritates, sensitive skin. The Guardian’s journalism is independent. We will earn a commission if you buy something through an affiliate link. Learn more. Most of us have drawers full of abandoned products: lipsticks that smudge, sunscreens that pill, serums that sting too much. So when something delivers, it’s a big deal…