ESSNTLS Lab Certification
Explore the fundamentals of cosmetic science with our new online Intro to Cosmetic Chemistry course. We also offer in person classes and are expanding our course library to bring more cosmetic science education online.
Our Classes
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This is now provided ONLINE & IN-PERSON
The chemistry of active ingredients and how they interact with skin
How to read an ingredient label
Emulsions, surfactants, and the science of product stability
How cosmetic products are formulated and manufactured
Hands-on lab experience creating skincare formulations
Career pathways in cosmetic chemistry and product development
Who It’s For: Aestheticians, cosmetologists, skincare professionals, and science students
Prerequisite: No prior cosmetic chemistry experience required
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What You’ll Learn:
The science behind skin hydration and barrier support
Functions and differences between humectants, occlusives, and emollients
How to select and layer moisturizing ingredients for different skin types
Fundamentals of emulsion technology (W/O vs. O/W emulsions)
Introduction to active ingredients: how they work, when to use them, and how to stabilize them
Overview of ingredient compatibility and formulation safety
In-person only: hands-on lab to formulate a moisturizer with actives, including pH testing and stability basics
Prerequisite:
Completion of Intro to Cosmetic Chemistry is required
Applicants with equivalent experience may request a prerequisite waiver
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Coming Soon
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Coming Soon.
ONLINE COURSES
Start with the fundamentals.
Our Intro to Cosmetic Chemistry online course is the first step into the world of cosmetic science, with more ESSNTLS LAB courses coming soon.
Book a Class
Begin your journey in the world of cosmetic formulations and applications.
Your Instructor
Arielle Nausieda, Biochemist & Founder of ESSNTLS Lab
A cosmetic chemist and biochemist with extensive experience in formulation science, Arielle Nausieda has developed products for leading beauty brands and is passionate about making cosmetic chemistry accessible to professionals and students alike.