Skin Care Ingredients You Should Never Mix, Yoon-Soo Cindy Bae, M.D., featured in Yahoo! Beauty
Mar. 23, 2017

“To add so many products and all the chemicals (which you could be potentially allergic to) can wreak havoc to your skin,” says Yoon-Soo Cindy Bae, M.D.,  a clinical assistant professor at New York University Medical Center and associate at the Laser & Skin Surgery Center in New York.
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