Polyhydroxystearic Acid
Polyhydroxystearic Acid is an emulsifying ingredient. It’s in 200 products on Poliage, most often sunscreen, lip and foundation. Avoid lists on Poliage that include it: none.
Updated October 23, 2026
In plain English
Polyhydroxystearic acid: used to keep oil and water blended.
What it does
Contains Polyhydroxystearic Acid: emulsifying
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 79007, accessed October 22, 2026.
Products that contain Polyhydroxystearic Acid
Caudalie
Tinted Lip Balm
Lip · Lists fragrance
COVERGIRL
TruBlend Skin Enhancer Balms
Blush · None of Poliage’s flag groups listed
Dr. Dennis Gross
Ultimate Defense Broad Spectrum Sunscreen SPF 50
Sunscreen · Lists silicones, coconut derivatives
Lisa Eldridge
Velatura Balm Dewy Lip and Cheek Stick
Blush · None of Poliage’s flag groups listed
Derma E
Vitamin C Weightless Moisturizer SPF 45
Sunscreen · Lists fragrance, coconut derivatives
Mario Badescu
Watermelon & Basil Lip Balm
Lip · Lists fragrance, fragrance allergens, silicones, coconut derivatives
Jones Road
What The Foundation
Foundation · Lists fragrance allergens, essential oils, coconut derivatives
Bondi sands
Zinc Mineral SPF 50+
Lists drying alcohol, silicones
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