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Chelating agents – stability and clarity of cosmetic formulations

The category of chelating agents includes raw materials that bind metal ions (especially Fe and Cu) present in water and raw materials. In doing so, they reduce the risk of oxidation, discoloration and haze and at the same time support the efficacy of preservatives in emulsions, gels, toners and cleansing products.

The range includes a plant‑based phosphate chelator for naturally oriented formulations and a new‑generation chelator based on an amino acid derivative. Both solutions are water‑soluble and are easily integrated into the aqueous phase at the usual use levels applied in cosmetics.

Below you will find a brief overview with recommendations on which types of formulations these chelators provide the greatest benefit.

Dermofeel PA-3 (Sodium Phytate)

Natural chelating agent based on the sodium salt of phytate. It improves colour and oxidative stability and enhances the preservation effect especially in aqueous and emulsion systems; also suitable for a more “natural” positioning of formulations. Natural chelator for clarity and stability with good biodegradability. More information can be found in the product Dermofeel PA-3.

Trilon M Max EcoBalanced (MGDA)

New‑generation chelator based on MGDA (amino acid derivative). It effectively bonds hardness ions and metal ions, increases the clarity and stability of emulsions, gels and cleansing products; also suitable for shampoos and shower products. Modern, efficient chelator for a wide pH range and various types of formulations. Details are provided in the product Trilon M Max EcoBalanced.

FAQ – Frequently asked questions

Why include a chelator in the formulation?

A chelator binds metal ions from water and raw materials, thereby reducing oxidation, discoloration and haze and at the same time improving preservation efficacy. In practice, it thus contributes to longer stability and a better appearance of the product.

In which phase and in what order should the chelator be added?

Most often into the aqueous phase at the beginning of the process. In emulsions it thus acts on the ions present already during processing; in finished products it can also be added during the cooling phase.

How to decide between Sodium Phytate and MGDA?

Sodium Phytate is suitable for a natural focus and for supporting preservation in aqueous systems; MGDA (Trilon M Max) is universal, effective also in surfactant‑based products. Choose according to the objective of the formulation and the positioning.