In this episode of Talk Nerdy, Cara is joined by Dr. Rolanda Wilkerson, Principle Beauty Scientist at Procter & Gamble. They talk about the chemistry of skin and hair products, including her role in developing and testing them for safety and efficacy. They also discuss the importance of representation and product diversity, especially for varied skin colors and hair textures. Follow Rolanda's work: @ProcterGamble.