Hair dye REVLON Colorstay N 4.15 Chocolate — permanent hair color

REVLON Colorstay N 4.15 Chocolate is a permanent hair color formulated to deliver an even, long-lasting dark brown/chocolate shade. Designed for both at-home and professional use, it provides full coverage of grey hair and uniform pigment deposit on natural or previously colored hair. The formula aims to maintain color intensity and resistance to fading while creating a consistent chocolate tone.

Advantages

This permanent hair dye offers reliable grey coverage and a deep chocolate result with even color distribution. The Colorstay formulation is created to enhance color longevity and reduce unevenness during application. The product is suitable for use on a variety of base shades and is compatible with standard developer creams used in permanent colouring processes.

Suitable for

• Covering grey or white hair to achieve full, uniform pigmentation
• Refreshing or changing natural dark brown tones to a chocolate shade
• Toning previously colored hair to a consistent dark brown/chocolate result

Key specifications

• Product type: permanent hair colour
• Shade: dark brown / chocolate
• Coverage: full grey coverage
• Application: at-home or professional use
• Finish: even pigment deposition and long-lasting colour

How to use

Follow the instructions provided with the product kit and perform a skin sensitivity test prior to full application. Mix the colour cream with the appropriate developer at the ratio specified by the manufacturer and apply evenly to dry hair, starting from the roots and working through to the ends. Leave on for the recommended processing time, then rinse thoroughly with water until the water runs clear and apply conditioner if one is included in the kit. For best results, follow the aftercare guidance included with the product.

Usage recommendations

Perform a patch test 48 hours before colouring to check for allergic reactions. Use gloves and protect clothing and surfaces during application. If hair has been previously lightened or chemically treated, consider consulting a professional to determine the optimal developer strength and processing time for achieving the intended chocolate shade.