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Kailey Bradt was 16 years old, running around her high school telling anyone who'd listen that she was going to start a sustainable beauty brand. So she studied chemical engineering to earn the right to do it. Her first company, Susteau, took a waterless formula from her bedroom floor to Sephora shelves after she discovered that liquid shampoo is 80% water on average (some conditioners hit 94%), and she decided she was done packaging and shipping water. Now she's CEO of Sonsie, Pamela Anderson's skincare brand, leading what she calls clean beauty 2.0.

In this episode, Kailey gets into what it takes to formulate for trul ...