Ceteareth-20 – Description
Ceteareth-20 is a non-ionic co emulsifier made from cetearyl alcohol and ethylene oxide.
It helps oil and water blend together and keeps emulsions stable.
You will commonly find it in lotions, creams, hair conditioners, and serums.
Usage Rate
Typical usage levels in cosmetic formulations:
-
2% – 10% → most common range
-
Up to 20% → in more complex emulsions (rarely needed)
It is usually used together with fatty alcohols (like cetearyl alcohol) to improve stability and skin feel.
Benefits
✔ 1. Co Emulsifying Agent
Helps combine oil and water into a smooth, stable emulsion.
✔ 2. Improves Texture
Gives lotions and creams a soft, creamy, lightweight feel.
✔ 3. Enhances Product Stability
Prevents separation and improves long-term consistency.
✔ 4. Helps Other Ingredients Spread Easily
Improves spreadability and absorption of active ingredients.
✔ 5. Compatible With Many Ingredients
Works well with oils, silicones, and other emulsifiers.