Polyglycerin-4
What Polyglycerin-4 is & what it does
Polyglycerin-4 is a synthetic polymer made of four glycerin units, used as a humectant and solvent in skincare and sunscreen formulas. It helps draw and hold water in the product and on the skin, giving a hydrating feel without a heavy, sticky finish. It is also used to help blend and carry other ingredients within a formula.
What does Polyglycerin-4 do in skincare?
Polyglycerin-4 is a humectant and solvent made of four glycerin units. It helps draw and hold water in the product and on the skin for a hydrating feel without a heavy, sticky finish, and it can help blend and carry other ingredients.
Is Polyglycerin-4 safe?
Polyglycerin-4 is a glycerin-based ingredient widely used as a humectant and is generally considered well tolerated and non-irritating at cosmetic levels. It is a common choice in hydrating and sensitive-skin formulas, though individual reactions are always possible.
Is Polyglycerin-4 natural or synthetic?
Polyglycerin-4 is typically described as synthetic or nature-derived, since it is made by linking glycerin units that can themselves come from plant sources. The exact origin of the glycerin depends on the supplier.
Sunscreens with Polyglycerin-4
We rate 9 sunscreens that contain it:
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Biodermal Zonnelotion Voor De Zongevoelige Huid SPF50
95/100
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Iwostin Solecrin Sensitive Soothing Protective Emulsion SPF 50
95/100
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Biodermal Gevoelige Huid Zonnespray SPF 30
94/100
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Biodermal Zonnelotion Voor De Zongevoelige Huid SPF 50
94/100
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Iwostin Solecrin Children's Protective Spray SPF 50+
93/100
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Biodermal Kids Zonnemelk SPF 50+
93/100
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Biodermal Zonnemelk Gevoelige Huid SPF 30
93/100
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Biodermal Zonnecrème Voor Het Gezicht Gevoelige Huid SPF 50
93/100
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Biodermal Sensitive Sunscreen Spray SPF 50.
93/100