Table of Contents Introduction The Golden Rule of Layering The Ideal Skincare Routine Order Expert Opinion: The Science Behind the Sequence Q&A with a Dermatologist Conclusion Related Links (For Further Reading) 1. Introduction You've invested in a variety of skincare products, but are you using them in the right order? The sequence in which you apply your serums, creams, and oils can make a dramatic difference in how well your skin absorbs them. Applying products in the wrong order can render them ineffective or even cause irritation . 2. The Golden Rule of Layering The single most important rule of skincare layering is to apply your products from thinnest to thickest consistency. Lighter, water-based products (like toners and serums ) need to be applied first so they can penetrate the skin without being blocked by heavier, oil-based creams . Heavier products (like moisturizers a...