What is the role of a chelating stabilizer in hair color products?

A chelating stabilizer plays a vital role in hair color products by binding metal ions and making them inactive. Metal ions, commonly found in water and various hair products, can interfere with the hair dyeing process by causing unwanted chemical reactions or altering the color outcome. When these ions are present, they can lead to color fading, uneven hair color, or even unwanted discoloration.

By using a chelating agent, the formulation is stabilized as this agent effectively neutralizes or captures the metal ions, preventing them from participating in reactions that could compromise the integrity and consistency of the hair color. This ensures more predictable and uniform results, helping clients achieve the desired shade without the interference of unwanted impurities.

The other options, like enhancing fragrance, providing color retention, or increasing viscosity, while they may be functions of other additives in hair color products, do not specifically address the primary role of a chelating stabilizer.