Emollient
Steareth-21
An emulsifier used to help stabilize the texture of creams and lotions, supporting an even blend of oil and water phases.
emulsifierformulation aid
✓ Safe
Comedogenic Rating
0/5
Irritation Potential
0/5
What is it?
Steareth-21 is a non-ionic emulsifier derived from stearyl alcohol, used to help combine oil and water phases into a stable formula.
Used in creams and lotions to support a consistent, stable texture throughout shelf life.
Key Benefits
Stable emulsification
Helps oil and water-based ingredients blend evenly and stay combined.
Suitable for
Main Actions
When it may be insufficient
It has no direct skincare benefit of its own — its role is entirely about formula texture and stability.
CategoryEmollients
Frequently Asked Questions
What does Steareth-21 do for skin?
Used in creams and lotions to support a consistent, stable texture throughout shelf life.
Who should use Steareth-21?
Steareth-21 is suitable for: all skin types — a formulation aid, not a direct active.
Are there any warnings about Steareth-21?
It has no direct skincare benefit of its own — its role is entirely about formula texture and stability.
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