By Marianne Mychaskiw
Updated Oct 07, 2016 @ 10:45 am
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Oxidizing Foundation - Lead 2016
Credit: Getty

It happens to even the most-skilled among us... Hours after layering on your new, fresh-out-the-box foundation, you open your compact for a touch-up, only to realize your complexion has taken on a sudden burnt sienna tone that wasn't there when you applied it this morning. Hate to break it to you, but your foundation has just oxidized. You may remember the term from science class, but in regard to the rust that forms on a metal. Similarly, foundation can take on a rust-toned appearance when they react to the oils in your skin, the chemicals in your skincare or sunscreen, or the air, but it's tricky to determine exactly which ingredients are the culprit. Luckily, the effect can be toned down, in the case you're caught rocking an aggressive Hefe filter.

First, use blotting papers to take away some of the excess shine, then use a veil of face mist to reactivate the product, making it easier to blend. Pick up a damp BeautyBlender ($20;, and buff out the color all over your face. This will help to thin out the hue, taking it down a notch from an orange grove glow to sun-kissed. Finish by layering a lighter-colored setting powder over the top. For a preventative measure next time around, consider using a primer, which will create a barrier between your skin and the foundation and lessen the risk of oxidization by your own oils. If you're into the foundation formula, but not the color, consider picking one up a few shades lighter than you normally would so that it eventually oxidizes to your desired tone. You'll definitely want to swatch the product first, then wait an hour or two to see if it shifts toward copper.