PEG-8 is a synthetic polymer that functions as a humectant, solvent, and emulsifier in cosmetic products. As a humectant, it helps to attract and retain moisture in the skin, contributing to hydration. It can also help dissolve other ingredients and stabilize formulations.
NoneHumectantVeganEvidence: Medium
BenefitMinimal 1 / 4
Hydration
RiskLow 1 / 4
Irritation
Rated by SpottyLabs' ingredient methodology, independent of brands.
What it helps with
Attracts and retains moisture
Things to watch
May cause mild irritation in very sensitive skin
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Products with PEG-8
Classic Fresh Long Lasting Fragrance Anti‑Perspirant (0% alcohol)
PEG-8 is primarily used in skincare as a humectant, meaning it helps to draw moisture from the air into the skin, keeping it hydrated. It also acts as a solvent for other ingredients and helps to stabilize product formulations.
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