Emollient
PEG-40 Hydrogenated Castor Oil
A widely used solubilizer that helps oils and fragrances disperse evenly in water-based formulas like toners and micellar waters.
solubilizerformulation aid
✓ Safe
Comedogenic Rating
0/5
Irritation Potential
0/5
What is it?
PEG-40 Hydrogenated Castor Oil is a non-ionic solubilizer derived from castor oil, modified to help oil-soluble ingredients (like fragrance or essential oils) blend evenly into water-based products.
Used in toners, micellar waters, and light serums to keep oil-based ingredients evenly dispersed rather than separating.
Key Benefits
Effective solubilizing
Helps oils and fragrances disperse evenly without separating in water-based formulas.
Supports clear formula appearance
Allows clear or lightly tinted products to remain visually uniform.
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 PEG-40 Hydrogenated Castor Oil do for skin?
Used in toners, micellar waters, and light serums to keep oil-based ingredients evenly dispersed rather than separating.
Who should use PEG-40 Hydrogenated Castor Oil?
PEG-40 Hydrogenated Castor Oil is suitable for: all skin types — a formulation aid, not a direct active.
Are there any warnings about PEG-40 Hydrogenated Castor Oil?
It has no direct skincare benefit of its own — its role is entirely about formula texture and stability.
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