Polyhydroxystearic Acid (Polyhydroxystearic Acid) is a formula balancers used in skincare to acid compound. It's found in 58 products in our database, making it one of the most common ingredients.
What it does
Acid compound
Who it's best for
A formula support ingredient that ensures product stability.
Keeps the product at the right pH for both efficacy and skin compatibility
Not something you choose — but important for the formula to work
Generally present at very low concentrations and well-tolerated
Is Polyhydroxystearic Acid safe for sensitive skin?
Polyhydroxystearic Acid is generally well-tolerated and has no specific concern flags in our database. As with any ingredient, patch-test if you have highly reactive skin.
What products contain Polyhydroxystearic Acid?
58 products in our database contain Polyhydroxystearic Acid. The highest-rated is COSRX Centella Blemish Cream scoring 8.2/9.8.
Can I use Polyhydroxystearic Acid every day?
pH adjusters are present at minimal concentrations and are part of daily product use. They are not a concern for any skin type.
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