If you plow through bottles of body wash and expensive face creams like nobody’s business, you may want to rethink your beauty product usage strategy. As it turns out, you may actually be using way too much product — or worse, not enough. If you’re unsure of where to start, we’ve got you covered. Patti Pao, CEO and founder of Restorsea, and Savannah Fincher, corporate style director at Blo Blow Dry Bar, share their insider tips on how much product you should really be using. From a lemon-size amount of hair mousse to a dime-size amount of body wash, our beauty guide will ensure that you’re using just the right amount of beauty product, while also potentially saving you a bit of cash (in the case you’ve been frivolous with your creams and potions in the past).