PEG-15 Jojoba Alcohol
INCI: PEG-15 JOJOBA ALCOHOL
Reviewed by Rosie · Last updated 2 Jun 2026
A plant-derived emulsifier that helps oil and water blend smoothly in formulations
Best For Skin Types
All
Usage Frequency
Daily
What Is PEG-15 Jojoba Alcohol?
PEG-15 Jojoba Alcohol is a modified form of jojoba oil, a liquid wax derived from jojoba plant seeds. It has been chemically processed with polyethylene glycol (PEG) to create an ingredient that functions primarily as an emulsifier—a substance that helps bind together ingredients that wouldn't naturally mix, such as oils and water-based components.
In skincare formulations, this ingredient works behind the scenes to create stable, well-blended textures. It allows formulators to combine hydrating and nourishing components into a single product without separation or grittiness.
How It Works
As an emulsifier, PEG-15 Jojoba Alcohol has a molecular structure with both water-loving and oil-loving regions. This dual nature allows it to position itself at the boundary between oil and water phases in a formula, holding them together and preventing them from separating.
This stabilising action is invisible to the user but essential for product integrity. It ensures that the active ingredients and beneficial components in a formula remain evenly distributed and effective throughout the product's shelf life.
Clinical Evidence & References
Clinical research specifically targeting PEG-15 Jojoba Alcohol as a standalone skincare ingredient is limited. However, jojoba oil itself has a long history of use in skincare and is generally recognised as a skin-conditioning agent. The PEG modification is primarily a technical adjustment to improve formulation stability rather than to enhance skin benefits.
The ingredient's safety and efficacy are largely established through its widespread use in cosmetic formulations and compliance with regulatory standards. Its primary role is functional rather than therapeutic.
How to Use
This ingredient does not require special usage instructions, as it functions within finished products rather than as a standalone treatment. It will be present in the formula at whatever concentration the brand has determined optimal for texture and stability. Simply use the product as directed, and the emulsifying benefits will work to maintain consistency and texture throughout use.
Safety & Precautions
Frequently Asked Questions
From the Clinic
Not sure what your skin actually needs?
Two minutes, a few questions, and we’ll point you at what matters — no guesswork.
Take the skin quizRelated Ingredients
PEG-11 Cocoa Butter Glycerides
A plant-derived emollient that helps bind and stabilise skincare formulations
PEG-12 Dilaurate
A gentle emulsifier that helps bind water and oil in skincare formulations
PEG-12 Distearate
An emulsifying polymer that helps bind water and oil in skincare formulations
PEG-150 Distearate
PEG-150 distearate is a cleansing agent
PEG-150 Pentaerythrityl Tetrastearate
A synthetic emulsifier that helps bind oil and water phases in formulations
PEG-16 Cetyl …
A multi-purpose emulsifier that helps blend oil and water in skincare formulations
Learn More About Skincare Ingredients
Explore our comprehensive ingredient glossary to understand what's in your products.
Browse All IngredientsShop Our Products
Find professional skincare solutions at Skintique.