Back to Ingredient Dictionary

SODIUM M-NITROBENZENESULFONATE

Description

Sodium m-nitrobenzenesulfonate is a synthetic compound primarily used in hair coloring formulations. This water-soluble salt acts as a coupling agent, playing a crucial role in the oxidative dyeing process. Its chemical structure allows it to facilitate the bonding between dye precursors and oxidizing agents, resulting in more efficient and long-lasting hair color.

In hair dye formulations, sodium m-nitrobenzenesulfonate enhances color development and improves dye penetration into the hair shaft. It helps to stabilize the coloring mixture and promotes uniform distribution of pigments along the hair fiber. This ingredient is particularly effective in dark shades and can contribute to increased color intensity and longevity.

While sodium m-nitrobenzenesulfonate is generally considered safe for use in hair dyes when used as directed, it may cause skin irritation in some individuals. As with any hair coloring product, a patch test is recommended before full application. It's important to note that this compound is not typically used in leave-on products and should be thoroughly rinsed from the hair after the coloring process is complete.