Ingredient · Updated
PEG-100 Stearate
Found in 6 products
Kiehl's Since 1851 Creme de Corps Body Lotion with Cocoa Butter 
The INKEY List Glycolic Acid Exfoliating Body Stick, Size:, None 
Curél Ultra Healing Intensive Moisture Lotion 
AmLactin Daily Nourish 12% Lactic Acid Lotion 
Sun Bum Signature SPF 30 Lotion 
L'Oréal Paris Elvive Hyaluron + Plump 72H Hydrating Shampoo What is PEG-100 Stearate?
PEG-100 Stearate is a synthetic compound created by reacting stearic acid with polyethylene glycol. Stearic acid is a fatty acid often derived from vegetable oils or animal fats.
It is primarily used as an emulsifier in cosmetic and personal care products, helping to blend water and oils together to improve product texture and stability. Health evidence is mixed; while PEG-100 Stearate is generally considered safe for topical use, some individuals may experience skin irritation.
When you see PEG-100 Stearate on a label, it typically indicates the product aims for a smoother texture and better ingredient mixing. Its safety in cosmetics has been reviewed by various organizations without significant concerns, though it may not be suitable for everyone, especially those with sensitivities.
Commonly found in: Body Lotion, Hair Care, Moisturizers, Cleansers, Conditioners
What to watch
- May cause skin irritation in sensitive individuals.
PEG-100 Stearate is generally allowed for use in cosmetics without specific restrictions.
Research indicates it is safe for most users, though some may experience irritation.
PEG-100 Stearate can be animal-derived, so not all sources are vegan.
Scout's take
PEG-derived emulsifier. Potential 1,4-dioxane contamination depending on manufacturer purification.
The case against
There are minimal risks associated with this ingredient, though it may cause irritation in sensitive individuals.
from the analysis of Sun Bum Signature SPF 30 LotionThere is a potential risk of contamination with 1,4-dioxane, a byproduct of ethoxylation.
from the analysis of Kiehl's Since 1851 Creme de Corps Body Lotion with Cocoa ButterThere is a potential risk of contamination with harmful substances during manufacturing.
from the analysis of The INKEY List Glycolic Acid Exfoliating Body Stick, Size:, NoneThe case for
It helps to stabilize the formulation and improve the texture of the product.
from the analysis of Kiehl's Since 1851 Creme de Corps Body Lotion with Cocoa Butter · echoed in 1 other analysisIt helps to create stable emulsions and improve product texture.
from the analysis of The INKEY List Glycolic Acid Exfoliating Body Stick, Size:, NoneMore from Scout's analyses
PEG-100 Stearate is an emulsifier used to blend water and oil-based ingredients in cosmetics. It helps to stabilize formulations and improve texture. It is generally considered safe, though it may be contaminated with ethylene oxide or 1,4-dioxane.
from the analysis of The INKEY List Glycolic Acid Exfoliating Body Stick, Size:, NonePEG-100 Stearate is used as an emulsifier and surfactant in cosmetics. It helps to stabilize the formulation and improve the texture of the product. It is generally considered safe for use in cosmetics.
from the analysis of Sun Bum Signature SPF 30 LotionPEG-100 Stearate is an emulsifier that helps to blend water and oil components. It is commonly used in lotions and creams. It is generally considered safe for use in cosmetics.
from the analysis of Kiehl's Since 1851 Creme de Corps Body Lotion with Cocoa ButterAll 6 products with PEG-100 Stearate
Where PEG-100 Stearate shows up
- Body Lotion 4 products
- Sunscreen 1 product
- Hair Care 1 product
Higher-scoring picks without PEG-100 Stearate
Products from the same categories whose analyzed ingredient list does not include PEG-100 Stearate, scoring 80 or above.
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