PPG-6 is a synthetic polymer, specifically a polypropylene glycol, used in cosmetic formulations. It functions as a solvent, helping to dissolve other ingredients, and also provides humectant and emollient properties to the skin.

Is PPG-6 safe for skin?

PPG-6 is generally considered safe for topical use in cosmetics. It is typically well-tolerated, though very high concentrations might cause mild irritation in some individuals.

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PPG-6

PPG-6, or Polypropylene Glycol-6, is a synthetic polymer used in cosmetics as a solvent, humectant, and emollient. It helps to dissolve other ingredients, attract and retain moisture in the skin, and provide a smooth, soft feel. Its small molecular size allows for good spreadability and a non-greasy finish.

NoneSolvent, humectant, emollientVeganEvidence: Medium

BenefitMinimal 1 / 4

Hydration i1 / 4

Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.

RiskLow 0.5 / 4

Irritation i0.5 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

Enhances product texture
Provides mild hydration
Acts as a solvent for other ingredients

Things to watch

Potential for mild skin irritation in very high concentrations

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Frequently asked questions

What is PPG-6?: PPG-6 is a synthetic polymer, specifically a polypropylene glycol, used in cosmetic formulations. It functions as a solvent, helping to dissolve other ingredients, and also provides humectant and emollient properties to the skin.
Is PPG-6 safe for skin?: PPG-6 is generally considered safe for topical use in cosmetics. It is typically well-tolerated, though very high concentrations might cause mild irritation in some individuals.