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.

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.

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.