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Moumoujus

DIPOTASSIUM OXALATE.

Avoid CAS 583-52-8 / ANTICORROSIVE, CHELATING

Dipotassium Oxalate functions primarily as a chelating agent in cosmetic formulations. While effective in dental applications for hypersensitivity, its use in direct skincare is severely limited by significant safety concerns regarding tissue irritation and cellular damage.

Summary

chelating

Science

Mechanism of Action

In cosmetic contexts, Dipotassium Oxalate acts as a chelating agent, capable of binding to metal ions. However, general oxalate crystals are known to potentially irritate tissues, trigger inflammation, damage skin cells, compromise the skin barrier, and degrade vital components like collagen and hyaluronic acid. They can also impede nutrient absorption by binding to essential minerals such as calcium and magnesium.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

Dipotassium Oxalate is not commonly 'dusted' in skincare formulations for any positive effect due to its primary role as a chelating agent and its significant safety hazards. The documented risks of irritation and toxicity would preclude its use at concentrations that might be considered for a 'dusting' application, which implies a higher functional concentration.

The Formula

Formulation

Solubility
Water
Optimal pH 7 – 8.5
0 7 14

Stability

This ingredient is stable under recommended conditions but is hygroscopic, meaning it absorbs moisture from the air. It should be protected from heat, flames, ignition sources, dust formation, excess heat, exposure to light, and moisture to maintain stability.

Conflicts

  • Strong oxidizing agents
  • Strong acids
  • Strong bases

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk High

Dipotassium Oxalate carries a GHS classification of 'Harmful if swallowed or in contact with skin' (Acute Tox. 4) and 'Causes serious eye irritation' (Eye Irrit. 2). It is considered poisonous, capable of causing severe irritation or burns to the skin and eyes, with chronic overexposure potentially leading to kidney injury. EWG Skin Deep rates it 'HIGH' for 'Developmental and Reproductive Toxicity' and 'Use Restrictions,' noting its restriction in cosmetics under the EU Cosmetics Directive. A clinical study documented a mild allergic reaction (hives) in a participant using a related oxalate strip.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy High
Comedogenicity Unknown

Our Assessment

Verdict

Avoid

Given the lack of documented skincare benefits and its severe safety profile, including high irritation, toxicity, and EU restrictions, Dipotassium Oxalate should be avoided in precision skincare formulations.

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