Maybe the O.G. of color-changing lip products, this "intuitive" gloss imparts lips with a faint, natural-looking pigment and a lustrous finish.

The results: You may have to squint to see the difference, but this gloss appeared a smidge warmer and more yellow on one tester (bottom) and cooler on the other (top).

Level of magic: 3.5 out of 10 rabbits in a hat

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This tinted lip balm packs the pigment punch of a lipstick -- whether you opt for Play With Me (a sheer red, pictured here), Teddy Pink (bright pink) or Side Dish (sheer plum) -- but the moisturizing feeling of a balm.

The results: The major color payoff made it a little tricky to discern a difference between our two wearers, but it did appear darker and cooler-toned on one tester (top) and lighter and more-orangey on the other (bottom).

Level of magic: 5 out of 10 cloaks of invisibility

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This drugstore buy provides color payoff, without making you look like you're trying too hard. Plus, the slick gel formula keeps it from being goopy or sticky. Choose from three colors: perfect pink, perfect peach and perfect berry (pictured here).

The results: Despite its intimidating black hue in the tube, this product gave one of our testers a cool, deep pink pout, while it turned the other's a true berry.

Level of magic: 9 out of 10 Merlin's beards

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Chances you won't care what color your lips are if they're riddled with wrinkles and fine lines. That's one reason to reach for this luxe lip balm, which is formulated to fight signs of aging and plump lips as it gives lips an understated glow.

The results: On one tester (top), this buildable formula appeared pinker and more pigmented than on the other (bottom), whose lips turned a more nude hue.

Level of magic: 6.5 out of 10 reclusive sorceresses

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