Peg-4 (Peg-4) is a holds the formula together used in skincare to peg-based emulsifier. It's found in 2 products in our database, making it a less common ingredient.
What it does
PEG-based emulsifier
Who it's best for
A supporting ingredient — found in most cream and lotion formulas.
Essential for product stability, not typically chosen by the consumer
Generally well-tolerated across all skin types
Helps oil and water phases blend into a smooth, usable texture
Peg-4 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 Peg-4?
2 products in our database contain Peg-4. The highest-rated is neutrogena Alcohol-Free Toner scoring 6.2/9.8.
Can I use Peg-4 every day?
Emulsifiers are present in most cream formulas and are used daily without concern. They are a structural part of the product.
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