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This Is What Really Happens When You Leave Makeup In The Car

We always recommend having an emergency beauty kit close by for midday touchups, post-office dinner dates and just for looking your best at all times. We often keep ours in the car (not the best idea in sunny LA, we know), which got us wondering if that has any effect on our makeup and skincare products. To find out, we asked co-owner and president of Spatz Laboratories, Laura Nelson, who knows everything there is to know about the chemistry of beauty products. Discover what really happens when you leave your makeup bag in your car (hint: you may want to start carrying it with you).

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