Disodium EDTA
Disodium EDTA
Also known as: EDTA · Tetrasodium EDTA · Ethylenediaminetetraacetic Acid · Disodium Edetate
Chelating agent
“A chelator that improves product stability and boosts preservative efficacy.”
What it does
Disodium EDTA is a chelating agent that binds to metal ions (calcium, magnesium, iron) in water and formulations. By removing these ions, it prevents them from interfering with preservatives, deactivating actives, or causing product discolouration. It is present in nearly every skincare formulation and is inert on skin.
Benefits
- Stabilises formulations by binding disruptive metal ions
- Enhances preservative efficacy
- Prevents rancidity and product degradation
How to layer
☀️ Morning routine
Cleanser
Toner
Serum
Moisturiser
SPF
🌙 Evening routine
Cleanser
Toner
Serum
Moisturiser
Face Oil
After cleansing, before moisturiser
Good for
All skin
Heads up
- ⚠Not absorbed through skin — essentially inert at cosmetic use levels
How to use
A background stabilising ingredient. No special application needed.
Typical concentration: 0.05–0.5% in formulations