Methyl Carboxymethylphenyl Aminocarboxypropylphosphonate

This is a synthetic, water-soluble phosphonate used as a chelating agent that binds trace metals to stabilize color and antioxidants, improving formula performance with limited direct skin effects.
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Ingredient Snapshot

Overview
A chelating agent that keeps formulas stable by binding trace metals.
Category
Antioxidant
Type
Chelating Agent

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Sequesters metal ions to guard formulas against oxidation, supporting consistent product performance; direct skin benefits are limited and mainly indirect via stability.

Uses In Skincare & Cosmetics

Used in vitamin C serums, antioxidant boosters, and sunscreens to help maintain potency and color. Also found in water-based moisturizers and toners for reliability.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Generally low irritation at typical use levels. In low-pH formulas or on compromised skin, mild stinging can occur; patch testing is prudent for sensitive users.

Is Methyl Carboxymethylphenyl Aminocarboxypropylphosphonate a Good Ingredient?

It's an effective chelator that maintains formula stability, but direct skin benefits are minimal, which is why it rates Fair. Its performance is also pH-dependent, and low-pH systems may cause transient stinging in sensitive skin.

Products with Methyl Carboxymethylphenyl Aminocarboxypropylphosphonate

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