When it comes to skin care, it's easy to over-complicate things.

Cleansers, toners, face masks, moisturizers, sunscreens—there are millions of products that promise brighter, blemish-free skin. After a typical morning routine, the average woman has at least four to five layers of products on her skin. Once you add up all of the ingredients in those products, you'd be surprised by everything you put on your face. Miss USA Kara McCullough says it's time to dial it back. 

The pageant winner and scientist is very aware of what she puts on her face. "I'm usually a naturalista when it comes to skin care. I do believe in a getting a thorough cleansing every now and then, like a good facial," she told E! News. "I try to stay away from products that are heavy in chemicals like sulfur."

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