This episode explores the science behind healthy skin and debunks common skincare myths. Against the backdrop of a discussion about nicotine's surprising historical use as a surgical performance enhancer and its impact on wound healing, the conversation pivots to common skincare mistakes, emphasizing the importance of a simplified routine focused on cleansing, moisturizing, sun protection, and retinoid use. More significantly, the discussion highlights the crucial role of diet in skin health, with Dr. Soleymani emphasizing the link between sugar consumption, inflammation, and skin conditions like acne. For instance, the impact of insulin and high triglyceride levels on skin appearance is discussed, alongside the benefits of a high-protein, low-sugar diet. The episode also delves into the effectiveness of collagen supplements, the surprising lack of correlation between water intake and skin hydration, and the benefits of red light therapy. Ultimately, this episode offers actionable insights into achieving healthy, youthful skin by focusing on fundamental practices and debunking misleading information prevalent in the skincare industry.