Polyhydroxystearic Acid

Polyhydroxystearic acid is a fatty acid derived from castor oil. It functions primarily as a dispersing agent and emulsifier in cosmetic formulations. It helps to evenly distribute pigments and other insoluble ingredients, preventing clumping and improving product stability.

BenefitMinimal 0.8 / 4

Barrier support i0.5 / 4

Whether it supports the skin barrier — restoring lipids, reducing water loss, aiding barrier repair, or strengthening the skin’s protective function.

Hydration i0.3 / 4

Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.

RiskVery low 0 / 4

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

• Improves pigment dispersion
• Enhances product stability
• Provides emollient properties

Products with Polyhydroxystearic Acid

Browse all products →