If you have spirals, coils, or waves, you already know that having curly hair isn't just a trait; it's a lifestyle. So we packed this episode with tips, tricks, and techniques, beginning with an easy at-home test that can make a big difference in determining how to care for your hair. After that, Michelle and Jenny call in cosmetic chemist Erica Douglas to explain what curls actually are, debunk some common myths (yes, your curl pattern really can change over time), and a whole lot more. Then, three Allure editors stop by to share all the products and tools that put a spring in their curly strands.

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This episode of Allure: The Science of Beauty is presented by Pantene.