When it comes to citric acid benefits, it’s obviously a great exfoliant (to our previous point), for brightening a lackluster complexion. But, unlike many other acids, citric acid is unique because it also has antioxidant properties. This makes it a great companion in the fight against external aggressors that generally can wreak havoc on your skin basically the second you step outside (we’re talking about you, sun and pollution). Citric acid in skin care is common, not only for these reasons, but also for formulation purposes. Because it’s an easy way to help adjust the pH of products and make them more shelf-stable, it’s a fairly common ingredient out there.be cautious, especially if you have sensitive skin.
The thing with citric acid is that it can be intense. The unwanted side effects of too much citric acid include stinging, burning, and irritation—and those are particularly likely if you have sensitive skin. If you do have sensitive skin, as with any potent ingredient or product, it’s also not a bad idea to start using it gradually, and slowly work your way up to using it more frequently as your skin gets used to it.