Colourage Permanent Gel Color in Blue Concentrate from Tressa is a professional permanent hair color formulated as a gel concentrate. It is designed to deliver a rich, long-lasting blue tone for creative coloring and highlighting techniques.

The concentrated gel texture allows for precise application and controlled mixing with a developer. It is suitable for salon use and for anyone seeking a vivid, durable blue result with a smooth, even finish.

This 2 oz size is ideal for single applications or spot coloring. For best results, follow the manufacturer's mixing and processing instructions.