Apps will reveal what's really in your makeup

Kahina Benhebri, founder of CompoScan app, checks results with the company's cosmetic analysis smartphone app at INCO startup incubator in Paris, France, on Thursday, Sept. 13, 2018. In shopping centers around the world, shoppers bent on finding out what they’re putting on their bodies are scanning everything from lipstick to skin cream. Photographer: Marlene Awaad/Bloomberg

Think Dirty and other apps let shoppers scan for toxic ingredients in cosmetics such as the Drop Dead Red lipstick once touted by Kendall Jenner. 

Top model and Kardashian half-sister Kendall Jenner has been known to tout Estee Lauder’s Drop Dead Red shade of lipstick.