• Pronunciation: ˈpä-lē\ hī-ˈdräk-sē\ stē-ˈer-ik\ˈa-səd
  • Type: Naturally-derived
  • Other names: 12-hydroxystearic acid

What Is Polyhydroxystearic Acid?

Polyhydroxystearic acid, also called 12-hydroxystearic acid, is a plant-based powder that also comes in pellet or crystal form.[1]

What Does Polyhydroxystearic Acid Do in Our products?

Polyhydroxystearic acid is a plant-based emulsifier, which helps keep ingredients blended. We use it to hold our solid stick deodorant formula together. It is present in many personal care products, including sunscreen, moisturizer, lipstick, foundation, baby products, makeup and other items.[2]

Why Puracy Uses Polyhydroxystearic Acid

We use polyhydroxystearic acid as an emulsifier. Whole Foods has deemed the ingredient acceptable in its body care quality standards.[5]

How Polyhydroxystearic Acid Is Made

Polyhydroxystearic acid is a polymer of hydroxystearic acid.[3] The ingredient can be produced by hydrogenating ricinoleic acid or via fractional distillation of hydrolyzed hydrogenated castor oil.[4]



[1] National Institutes of Health
[2] Environmental Working Group
[3] Environmental Working Group
[4] National Institutes of Health
[5] Whole Foods Market

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