If you’re one of those shoppers who think that all laundry detergents are the same, who buy whatever brand is on sale, who treat washday like it’s a chore, stop reading. You won’t like what comes next ...

Add Yahoo as a preferred source to see more of our stories on Google. A woman looking at a blue detergent label - 97/Getty Images When it comes to buying laundry detergent, it's common for shoppers to ...