Description
Sodium Citrate
INCI: Sodium Citrate
Sodium Citrate is a versatile ingredient used by soap makers and formulators as a chelating agent, water softener, and pH-buffering ingredient. It binds metal ions such as calcium and magnesium, helping reduce the effects of hard water and improve the performance of finished formulations.
In handcrafted soap, Sodium Citrate is especially useful in reducing soap scum caused by the interaction between soap and minerals in hard water.
It is also a useful addition to laundry and household cleaning formulations, where controlling hard-water minerals can help surfactants and cleaning ingredients work more effectively.
Great For
- Cold process and hot process soap
- Liquid soap
- Laundry products
- Household cleaning formulations
- Bath and body formulations
- Hard-water formulations
Why Makers Use Sodium Citrate
Chelating Agent – Helps bind metal ions that can interfere with a formulation.
Water Softening – Helps reduce the effects of calcium and magnesium found in hard water.
Soap Making – Can help reduce soap scum and improve performance in hard water.
Cleaning Formulations – Helps cleaning ingredients perform more effectively by controlling minerals in the water.
Formulating with Sodium Citrate
Usage Rate: 0.1–1%
Sodium Citrate is water-soluble and should generally be incorporated into the water phase of a formulation.
Recommended usage rates depend on the application and formulation. Always formulate by weight and evaluate the finished product for the intended use.
For external use only





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