PEG-20
What PEG-20 is & what it does
PEG-20 is a polyethylene glycol with an average of about 20 ethylene oxide units, appearing as a water-soluble liquid or soft solid. In skincare and sunscreen formulas it functions as a humectant, solvent, and base that helps dissolve other ingredients and retain moisture. PEG compounds are also commonly used to give products a smooth, even texture.
What does PEG-20 do in skincare?
PEG-20 is a polyethylene glycol that works as a humectant, solvent, and base in formulas. It helps dissolve other ingredients, holds moisture, and contributes to a smooth, even texture. It is water-soluble and commonly used as a carrier for other actives.
Is PEG-20 safe?
PEG-20 is widely used in cosmetics and is generally regarded as safe for use in personal care products at typical concentrations. Quality and purity of the PEG grade matter, which is why cosmetic-grade material is used. If you have sensitive skin, patch testing the finished product is sensible.
Is PEG-20 natural or synthetic?
PEG-20 is a synthetic ingredient, produced by polymerizing ethylene oxide into chains with about 20 repeating units. It is not derived directly from plants. It is valued for its water solubility and its ability to dissolve and carry other ingredients.
Sunscreens with PEG-20
We rate 20 sunscreens that contain it, showing the top 10 by overall score:
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La Roche-Posay Toleriane Rosaliac AR SPF 30
88/100
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Garnier Ambre Solaire SPF 50+ Sensitive Advanced Kids Anti-sand Mist
87/100
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Garnier Ambre Solaire Sensitive Advanced Dry Mist SPF 50+
87/100
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Garnier Ambre Solaire Sensitive Advanced Invisible Protection Mist SPF 50+
87/100
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La Roche-Posay Anthelios Anthelios Eco-Conscious Hydrating Lotion SPF50+
86/100
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La Roche-Posay Anthelios Hydrating Lotion Eco Tube SPF 50+
86/100
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SkinCeuticals Advanced Brightening Uv Defense Sunscreen Spf 50
85/100
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Garnier Ambre Solaire Dry Mist SPF 30
83/100
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Garnier Ambre Solaire SPF 30 Invisible Protect Mist Spray
83/100
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Garnier Vitamin C UV Mist
82/100