Welcome to the Ingredient Encyclopaedia — an invaluable resource created exclusively for our formulation students. Inside, you’ll discover a comprehensive collection of cosmetic ingredients, organised by category and function, with clear explanations of what they are, how they work, and how best to use them in your formulations. Designed to complement the formulation templates provided in your course, this encyclopaedia enables you to experiment, adapt, and create your own unique formulas with confidence. Whether you’re refining a cleanser, crafting a serum, or developing a moisturiser, this essential reference will guide you through every ingredient choice on your formulation journey.