John Frieda Precision Foam Colour - 4N Dark Natural Brown - 130ml

This is a permanent hair color, meaning it will not wash out. The color will grow out with your hair, and you'll typically need to touch up roots every 4-6 weeks, depending on your hair growth.

Yes, you can. However, the final color result may vary depending on the previous color and condition of your hair. It's always recommended to perform a strand test first to predict the outcome.

Yes, John Frieda Precision Foam Colour is formulated to provide excellent grey coverage. The 4N Dark Natural Brown shade should effectively blend away greys for a natural look.

Hair dye can stain. Wipe spills immediately. For clothes, rinse with cold water and treat with a stain remover as soon as possible. Prevention is best, so protect your surroundings thoroughly before starting.

Consider your natural hair color and desired outcome. This guide focuses on 4N Dark Natural Brown. If you're looking for other shades, John Frieda offers a range of options, typically categorized by lightness/darkness and tone (e.g., natural, golden, ash). You can also look at other variants like `John Frieda Precision Foam Colour - 9N Light Natural Blonde` or `John Frieda Precision Foam Colour - 7G Dark Golden Blonde`.

It is generally recommended to apply hair dye to dry, unwashed hair (preferably 24-48 hours since last wash). This allows natural oils to protect your scalp and helps the color adhere better.

Ensure thorough saturation during application, especially in hard-to-reach areas like the back of the head. For future applications, work slowly and methodically, sectioning hair carefully.

The final color can be influenced by your current hair color and porosity. Ensure you followed the recommended processing time. If your hair is very resistant, a strand test can help determine optimal processing time for future applications.

Apply a barrier cream (like petroleum jelly) to these areas before coloring. If staining occurs, gently wipe with a damp cloth immediately. Specialized hair dye stain removers are also available.

Always use the conditioner provided with the kit, as it's formulated to restore moisture. Incorporate a deep conditioning treatment into your routine weekly. Avoid over-processing by adhering strictly to timing instructions.

Immediately discontinue use if a reaction occurs. Rinse thoroughly and consult a medical professional. The 48-hour patch test is crucial precisely to prevent severe reactions during full application.