This Coloring Shampoo from Cameleo Men is designed for quickly coloring brown hair, beard, and mustache. It delivers visible color results in just 10 minutes, offering a convenient solution for refreshing color. The formula contains Walnut Extract and is formulated to last through 4 to 6 washes. Application is designed to be easy and quick, making it ideal for routine use. Use this product to seamlessly blend gray hairs or simply refresh your existing brown tone with minimal commitment.