Ingredient
PEG Stack
What is PEG Stack?
PEG Stack refers to a group of polyethylene glycol compounds, often used in cosmetics and skincare products. They are created through the polymerization of ethylene oxide with water.
In personal care products, PEGs serve as emulsifiers and thickeners, helping to stabilize formulations and improve texture. Health discussions about PEGs often focus on contamination concerns during manufacturing, such as potential diethylene glycol contamination. Generally, they are considered safe in cosmetics, but sensitivity varies.
When you see PEG Stack on a label, it's usually part of a broader formulation designed to improve a product's feel or stability, especially in creams and lotions.
Commonly found in: lotions, creams, ointments, shampoos, conditioners
What to watch
- PEGs can sometimes contain harmful impurities if not properly purified during manufacturing.
Benefits
- PEGs improve the texture and stability of personal care products.
PEGs are generally recognized as safe for use in cosmetics, though they require proper purification.
Research indicates they are safe for cosmetic use, but concerns arise from potential impurities.
While PEGs themselves are synthetic, the production process may involve animal-derived components.
Sources: Safety of PEG Compounds in Cosmetics
Scout's take
Ethoxylated ingredients can carry 1,4-dioxane contamination — EPA Group B2 probable carcinogen, Prop 65 listed.
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