Acrylic Acid/Acrylamidomethyl Propane Sulfonic Acid Copolymer
What Acrylic Acid/Acrylamidomethyl Propane Sulfonic Acid Copolymer is & what it does
Acrylic Acid/Acrylamidomethyl Propane Sulfonic Acid Copolymer is a synthetic polymer built from acrylic acid and AMPS monomers. In skincare and sunscreen formulas it acts as a thickener and stabilizer, gelling the water phase and helping keep emulsions uniform and pleasant to apply. As an AMPS-type polymer it tolerates electrolytes and acidic conditions better than some other thickeners, which makes it useful in more demanding formulas.
What does Acrylic Acid/Acrylamidomethyl Propane Sulfonic Acid Copolymer do in skincare?
This copolymer is a synthetic polymer used in skincare and sunscreen formulas as a thickener and stabilizer. It gels the water phase and helps keep emulsions uniform and pleasant to apply. As an AMPS-type polymer it tolerates electrolytes and acidic conditions well.
Is Acrylic Acid/Acrylamidomethyl Propane Sulfonic Acid Copolymer safe?
Polymeric thickeners of this type are large molecules used at low levels and are generally considered safe for topical use in cosmetics. Because the polymer stays on the skin surface and is not designed to penetrate, it is mainly a texture and stability agent. Individual sensitivities are uncommon but possible with any ingredient.
Is Acrylic Acid/Acrylamidomethyl Propane Sulfonic Acid Copolymer vegan?
This copolymer is a synthetic, lab-made polymer that does not contain animal-derived material, so the ingredient itself is compatible with vegan formulas. Whether a finished product is vegan depends on its full ingredient list. Its synthetic origin means it is not sourced from plants or animals.
Sunscreens with Acrylic Acid/Acrylamidomethyl Propane Sulfonic Acid Copolymer
We rate 9 sunscreens that contain it:
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Blankie Moisturizing sun cream
88/100
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Cleo Laboratories Hyaluronic Acid Sun Gel Cream
88/100
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sun invisible gel cream Dermatique
82/100
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Blisskin 3D Mattifying Sunscreen Spf 50 Pa+++
75/100
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Rebloom Broad Spectrum Sunscreen SPF 50 PA+++ IR Blue Light
75/100
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Dermosys Broad Spectrum Sunscreen SPF 50+
75/100
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Yuderma Eclipse Solaire SPF 50 Pa+++ Blue Light Filter Broad Spectrum
75/100
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Alpha-H Essential Skin Perfecting Moisturiser With SPF 15
67/100
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I Trust Nature Honey Sun Protection SPF 50+ PA+++
56/100