Dermatologists cut through the noise on skincare routines, revealing which products deliver results and which ones waste money. The consensus centers on non-negotiables: a gentle cleanser, targeted actives like retinol or niacinamide, broad-spectrum SPF 30 or higher, and a moisturizer matched to your skin type. Board-certified dermatologists consistently recommend skipping multi-step routines that promise overnight transformation. Simplicity wins. They stress that consistency matters more than product count. Using one effective retinoid regularly outperforms rotating through expensive serums. Sunscreen emerges as the single most important product, with dermatologists noting UV protection prevents aging, hyperpigmentation, and skin cancer. Many recommend layering lightweight hydrating serums under moisturizer rather than buying heavier creams. Ingredients to prioritize include hyaluronic acid for hydration, azelaic acid for redness, and glycolic acid for exfoliation. Dermatologists advise against harsh scrubs and overwashing, which compromise skin barrier function. They emphasize that trendy ingredients don't always outperform proven staples. The takeaway: invest in quality basics rather than chasing viral products.