Women with flawless skin are in on a little secret and it's hiding in their pantry.

Apple cider vinegar is one of the world's oldest beauty hacks, taking care of everything from itchy skin to dull hair. Thanks to the presence of beta-carotene, apple cider vinegar helps keep skin glowing and youthful. The vinegar's natural pH balance is also very close to our skin's pH balance, which means apple cider vinegar helps restore our skin to its natural order.

On top of these benefits, apple cider vinegar is a major money hack when compared to the price of over-the-counter products. Check out this slideshow for 10 surprising ways you can incorporate apple cider vinegar into your beauty routine.