C12-14 Pareth-12
INCI: C12-14 PARETH-12
Reviewed by Emma · Last updated 14 Aug 2026
A non-ionic emulsifier that stabilises oil and water in skincare formulations
Best For Skin Types
All
Usage Frequency
Daily
What Is C12-14 Pareth-12?
C12-14 Pareth-12 is a non-ionic surfactant derived from plant-based fatty alcohols (typically from coconut or palm oil) combined with polyethylene glycol. It belongs to the pareth family of emulsifiers, which are widely used across the cosmetics industry.
In skincare products, its primary role is to hold together ingredients that would normally separate — such as oils and water-based components. It also helps improve the texture and spreadability of formulations, making them easier to apply to skin.
How It Works
C12-14 Pareth-12 works by positioning itself at the boundary between oil and water molecules. One end of its molecular structure is attracted to oil, while the other is attracted to water. This allows it to hold both components in suspension rather than letting them separate, much like how soap allows oil and water to mix when you wash your hands.
This stabilising action is mechanical rather than chemical — the ingredient doesn't alter the skin or the other components in the formula, it simply keeps them evenly distributed.
Clinical Evidence & References
As an established emulsifier, C12-14 Pareth-12 has a long history of use in cosmetics with a documented safety profile. However, specific clinical studies examining its isolated effects on skin remain limited, which is typical for this class of ingredients — most research focuses on finished formulations rather than individual emulsifiers.
The ingredient is primarily valued for its functional performance (stability and texture) rather than for direct skin benefits, and it is generally well-tolerated at the concentrations used in skincare products.
How to Use
C12-14 Pareth-12 is used by formulators during product manufacture rather than something you'll need to adjust yourself. Look for it in the ingredient list to understand the product's formulation approach. Products containing this emulsifier can be used according to the brand's instructions without special consideration.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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