Ingredient
Polyhydroxystearic Acid
What is Polyhydroxystearic Acid?
Polyhydroxystearic Acid is a synthetic compound often derived from castor oil through a process of hydroxylation. It is a type of surfactant, which means it helps to reduce the surface tension between ingredients.
In cosmetics, this ingredient is primarily used for its emulsifying properties, helping oil and water-based ingredients to mix, and providing stability to the product. There isn't much research specifically on Polyhydroxystearic Acid, but it is generally considered safe for use in cosmetics and personal care products with no significant health concerns reported.
When you see Polyhydroxystearic Acid on a label, it usually indicates that the product aims to achieve a smooth texture and stable formulation, particularly in lip care, sunscreens, and some makeup products.
Commonly found in: Lip Care, Sunscreen, Makeup, Moisturizers, Lotions
Polyhydroxystearic Acid is permitted for use in cosmetics in the U.S. without specific restriction.
Limited research exists, but it is generally regarded as safe in its standard applications.
Polyhydroxystearic Acid is typically derived from plant sources and is generally considered vegan-friendly.
Scout's take
Standard formulation ingredient — neither beneficial nor harmful at typical use.
The case against
There are no significant risks associated with polyhydroxystearic acid in cosmetic products.
from the analysis of La Roche Posay Anthelios Body & Face Soft Finish Mineral Sunscreen Lotion: Moisturizing Day Skin Care, SPF 50 · echoed in 1 other analysisThere are minimal risks associated with its use in cosmetics.
from the analysis of Babo Botanicals Sheer Mineral Sunscreen Lotion SPF 50 Sunscreen · echoed in 1 other analysisThere are minimal risks associated with Polyhydroxystearic Acid, primarily related to potential sensitivity in rare cases.
from the analysis of Cocokind Daily Sunscreen - SPF 32Generally considered safe with minimal risk of irritation.
from the analysis of babo BOTANICALS Baby Skin Mineral Sunscreen SPF 50 SunscreenThe case for
It helps in stabilizing emulsions and improving the consistency of the product.
from the analysis of La Roche Posay Anthelios Body & Face Soft Finish Mineral Sunscreen Lotion: Moisturizing Day Skin Care, SPF 50It provides a smooth application and enhances the product's stability.
from the analysis of Saltair Multi-Lipid Replenishing Body Butter - Salt Water VanillaIt aids in the stability and consistency of the product formulation.
from the analysis of Babo Botanicals Sheer Mineral Sunscreen Lotion SPF 50 SunscreenIt helps to improve the texture and stability of the product.
from the analysis of Cocokind Daily Sunscreen - SPF 32Contributes to a stable and consistent product formulation.
from the analysis of babo BOTANICALS Baby Skin Mineral Sunscreen SPF 50 SunscreenMore from Scout's analyses
Biodegradable mineral-dispersing polymer.
from the analysis of Pipette Mineral Sunscreen SPF 50Polyhydroxystearic Acid is an emulsifier used to blend oil and water-based ingredients. It helps in improving the texture and stability of cosmetic products. It is considered safe for use in cosmetics.
from the analysis of La Roche Posay Anthelios Body & Face Soft Finish Mineral Sunscreen Lotion: Moisturizing Day Skin Care, SPF 50Polyhydroxystearic Acid is used as a thickening agent and emulsifier in cosmetics. It helps to stabilize formulations and improve texture. It is considered safe for use in personal care products.
from the analysis of hello bello Mineral SPF55+ Sunscreen Lotion with Prebiotics for Babies and KidsFound in 11 products
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