The "Textbook of Cosmetic Formulation" is an essential guide for students and industry professionals, offering a balanced approach to cosmetic science. Purpose: This textbook simplifies cosmetic formulation, offering a structured approach to understanding complex processes. It empowers readers with the knowledge to excel in the dynamic field of cosmetics. Scope: The textbook covers cosmetic science basics and emerging trends like sustainability, nanotechnology, and personalized skincare, offering insights into industry advancements. Key Themes: Scientific Foundations: Learn the core principles of cosmetic science, covering chemistry, biology, and physics, to understand formulation better. Formulation Techniques: Master formulation skills with detailed discussions on emulsions, suspensions, and delivery systems, unlocking the secrets to creating stable cosmetic products. Ingredient Selection: Understand cosmetic ingredients, from botanical extracts to synthetics, and their roles in formulating products for different skin and hair types. Emerging Technologies: Explore cutting-edge technologies like nanotechnology, 3D printing, and AI, and their applications in cosmetic formulation. Consumer Trends: Adapt to changing consumer preferences, including clean beauty, personalized skincare, and sustainability, to meet market demands. Regulatory Considerations: Navigate cosmetic regulations to ensure compliance with guidelines governing formulation and marketing.