Pentasodium Ethylenediamine Tetramethylene Phosphonate
What Pentasodium Ethylenediamine Tetramethylene Phosphonate is & what it does
Pentasodium Ethylenediamine Tetramethylene Phosphonate is the sodium salt of a phosphonate-based chelating agent. Its job in a formula is to bind trace metal ions such as iron and copper, which would otherwise catalyze oxidation and spoil the product, so it works as a stabilizer and preservative booster. It is used at very low levels and has no UV-filtering or active skincare role of its own. Such chelators are common across cleansers, creams, and sunscreens to protect color, scent, and shelf life.
What is Pentasodium Ethylenediamine Tetramethylene Phosphonate?
It is the sodium salt of a phosphonate chelating agent. In a formula it binds trace metal ions so they cannot speed up spoilage, which helps keep the product stable.
What does it do in sunscreen or skincare?
It acts as a stabilizer and preservative booster by chelating metals such as iron and copper, protecting color, scent, and shelf life. It is not a UV filter and has no active skincare effect of its own.
Is Pentasodium Ethylenediamine Tetramethylene Phosphonate safe?
Phosphonate chelators are used at very low levels and are generally considered safe for that use. No specific concerns are flagged for it in our catalog.
Sunscreens with Pentasodium Ethylenediamine Tetramethylene Phosphonate
We rate 5 sunscreens that contain it:
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Garnier Ambre Solaire Uv Ski Spf 50
83/100
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La Roche-Posay Anthelios Dermo-Kids Lotion Spf 50
81/100
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Garnier Ombrelle Kids Water Resistant Lotion Spf 50+
80/100
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Garnier Ambre Solaire Kids UVA Ultra Lotion SPF 30 (UK Version)
74/100
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reversa Radiance Cream Spf 30
64/100