Emulsion structure
Understand what emulsions are, how oil and water phases are combined, and why emulsifier selection is so important.
- Oil phase and water phase structure
- Emulsifier function
- Phase percentages and balance
Specialist certificate
Certificate in Cosmetic Emulsions & Gels
Learn how to formulate creams, lotions, gels and other water-based cosmetic products with greater confidence and control.
This specialist course helps you understand the structure of emulsions and gels, how ingredients work together, and how to create elegant, stable products with improved texture, performance and skin feel.
This course includes Foundations of Cosmetic Formulation
When you enrol in this specialist course, you will also receive access to our complete Foundations of Cosmetic Formulation & Ingredient Safety course. It introduces the ingredient, safety, documentation and good manufacturing principles used throughout your specialist training.
Course at a glance
Master one of the most important areas of cosmetic formulation.
Emulsions and gels sit at the heart of many professional skincare, haircare and body care products.
Creams & lotions
Learn how oil and water phases are brought together to create elegant emulsions.
Gels & textures
Understand how gelling agents and thickeners influence structure and feel.
Process control
Explore heating, cooling, mixing and method choices that affect final products.
Stability mindset
Build a better understanding of why emulsions fail and how to improve them.
Why this course matters
Move from simple products into more advanced cosmetic systems.
Emulsions and gels introduce more complexity than simple oil-based products. You need to think about phases, emulsifiers, thickeners, preservatives, pH, processing method, stability and final product feel.
This course gives you a structured way to understand these systems so you can formulate with more intention rather than relying on guesswork.
- Understand how oil and water phases work together
- Learn the role of emulsifiers, stabilisers and thickeners
- Create products with improved texture and skin feel
- Build confidence with water-based formulation systems
- Start troubleshooting separation, viscosity and texture issues
What you’ll learn
Build the skills behind creams, lotions and gels.
Learn the principles that help you design, adjust and improve emulsion and gel-based formulations.
Gels and viscosity
Explore how gums, polymers and thickeners influence texture, flow, stability and application feel.
- Gelling agents and thickeners
- Viscosity adjustment
- Texture and sensory feel
Method and troubleshooting
Learn how temperature, mixing, ingredient order and cooling method can affect the final product.
- Heating and cooling process
- Common emulsion problems
- Separation and texture issues
Products you can develop
Create elegant creams, lotions, gels and more.
Emulsions and gels are used across a wide range of cosmetic product types. This course helps you build the technical understanding needed to create more polished and professional formulations.
Facial creamsBody lotionsGel moisturisersCream cleansersHair conditionersBody creamsDeodorant creamsSerum gels
Course outcomes
Finish with a stronger formulation mindset.
The aim is not just to copy a formula. It is to understand how to build and adapt formulations more confidently.
By the end of the course, you should feel more confident with:
- Choosing suitable emulsifiers and supporting ingredients
- Balancing oil, water and cool-down phases
- Adjusting viscosity and final product feel
- Understanding why emulsions separate or become unstable
- Adapting formulas for different product goals
Ideal next steps
- Progress into cleansing product formulation
- Explore scrubs, masks and treatment products
- Build towards the full Diploma in Cosmetic Formulation
- Develop a broader skincare or haircare product range
- Continue refining texture, stability and product performance
Course details
Practical online learning at your own pace.
Designed for learners who want structured formulation education without needing to attend in-person classes.
Online access
Study through a clear digital learning area.
Self-paced
Work through the course at a schedule that suits you.
Learning resources
Use structured materials to support your formulation work.
Certificate course
Complete a specialist course within the wider diploma pathway.
Our Testimonials
Real stories, genuine progress
Learners share how structured training changed the way they formulate.
4.9 rating from verified learners
“The structure helped me stop guessing and start understanding how each ingredient works.”
Sarah M.
Skincare formulation student
“I finally had a process for creating, documenting and improving my product ideas.”
Amira K.
Brand founder
“The lessons made the science approachable and gave me confidence to formulate from scratch.”
Laura B.
Independent maker
Specialist certificate
Start formulating better creams, lotions and gels.
Build your understanding of emulsion and gel systems so you can create more polished, stable and professional cosmetic products.
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