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INGREDIENT DICTIONARY
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Disodium EDTA

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INCI: Disodium EDTA / CAS #: 139-33-3

Disodium EDTA is a chelating agent used in cosmetic formulations to improve stability and support preservation systems.

Key benefits

  • Supports formulation stability
  • Enhances preservation systems
  • Controls metal ion interference
  • Compatible across formulation types

Behaviour in formulations

Disodium EDTA integrates into aqueous systems and functions as a technical stabilising agent.

 

Add to the water phase with mixing until fully dissolved.

Use level considerations

Use Rate (Min): 0.05
Use Rate (Max): 0.2

  • Leave-on: 0.05–0.2%
  • Rinse-off: 0.05–0.2%
  • Used at low levels due to functional role

Starter Use Rate: 0.1% for most cosmetic formulations

Typically used at 0.05–0.2% as part of a complete formulation system.

Formulation summary

  • Chelating agent
  • Improves stability and shelf life
  • Enhances preservative efficacy
  • Suitable for most formulation types

Quality notes

High-purity cosmetic grade disodium EDTA with verified assay (99.24%), supporting consistent formulation performance. 

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