Cosmetic Formulation Science

Overview

This course is part of the Cosmetic Science Specialization. This course explores the science and practice of cosmetic formulation, guiding you from foundational raw material selection to advanced product optimization and performance evaluation. You will examine surfactants, emulsifiers, preservatives, rheology modifiers, and additives, while developing safe and effective laboratory practices, accurate documentation, and quantitative formulation skills. As the course progresses, you will apply formulation mathematics, interpret Certificates of Analysis, and compare skincare system designs to support stable, high-performing products. In the final module, you will integrate testing data, troubleshoot formulation challenges, and justify product design decisions using real-world scenarios. By the end of the course, you will be prepared to design, evaluate, and refine cosmetic formulations with scientific rigor and professional confidence.

Syllabus

Introduction to Cosmetic Formulation Science

Welcome to Cosmetic Formulation Science. This is the second course of the P&G Cosmetic Science Specialization program. In this course, you will explore the fundamentals of cosmetic formulations, emphasizing the selection and use of raw materials for your formulations. This week, you will learn about the importance of raw materials in cosmetic formulations. You'll learn to identify and select the ideal raw materials, ensuring your formulations are effective and innovative. This foundational knowledge is essential for anyone aspiring to excel in the cosmetic industry. Let's dive in!

Raw Materials

This week, you will get into the details of the cosmetic formulation process, specifically focusing on surfactants and additives. You'll explore the diverse behaviors of different surfactants and additives and learn about the hydrophilic-lipophilic balance (HLB) scale for emulsifier selection. Additionally, you'll delve into the various categories of preservatives, enriching your understanding of the components that make up effective cosmetic products.

Working in the Lab

This week, you'll become well-versed in the importance of laboratory safety and the relevant codes that govern it. You'll identify and utilize cosmetic personal protective equipment (PPE) and become familiar with the best practices for working in a cosmetic laboratory. Furthermore, this module will help you develop insights into the importance of meticulous record-keeping, emphasizing the use of laboratory notebooks and digital records.

Formulating Products

In this week, we explore the fundamental concepts of skincare formulation. You will learn about their differences and how to use them effectively in your product formulation. You will explore using weight percentages in formulations and learn how to convert mass percentages accurately. You will also learn about different types of skincare formulations and explore the concept of Certificate analysis and determining specifications.