9 Sneaky Ingredients to Watch Out for in Skin Care Products

Not everyone is going to have a bad reaction to essential oils, but many people do experience some adverse reactions. (Yes, even though they're technically natural!)

"Some essential oils — like rose and lavender — contain compounds like geraniol that are common causes of contact dermatitis. It is estimated that 1 to 2 percent of the population will be sensitized to it," notes Dr. Hadley King, a board-certified dermatologist based in New York City.

Instead, it's better to seek out non-comedogenic carrier oils — such as argan, sunflower, and sesame seed oils — that contain antioxidants and vitamins. We like Farmacy Honey Grail Ultra-Hydrating Face Oil, $48.

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