John Frieda Precision Foam Colour Dark Chocolate Brown (4BG) — Non-Drip Foam Hair Color with Full Gray Coverage

John Frieda Precision Foam Colour in 4BG Dark Chocolate Brown is a thick, non-drip at-home hair dye that delivers deep brown saturation and full grey coverage in a single application.

This salon-inspired foam system is formulated to apply like a mousse so color spreads evenly from roots to ends without the dripping or patchiness associated with liquid dyes. The 4BG shade reads as a warm dark brown with beige and golden undertones; it’s best suited for natural hair tones from light brown to black. The kit includes everything needed—colorant, developer, a foamer bottle, after-color conditioner, gloves and step-by-step directions—so you can complete one full application at home with minimal mess.

How does the foam application differ from regular liquid hair color?

The foam texture clings to each strand and expands slightly for more consistent coverage without sliding off. Because it goes on white and then develops, you can see where color has been applied, reducing missed spots. That thicker, non-drip format makes root touch-ups and hard-to-reach areas easier to manage.

• White-to-foam formula shows coverage points and prevents dripping
• Clings to hair for even pigment distribution
• Foamer bottle helps target roots and hairline cleanly

Will this shade cover grey hair and how long will the color last?

John Frieda’s formula promises 100% grey coverage when used as directed, producing uniform color across natural and grey strands. The dye is designed to resist fading so color remains richer between applications, though longevity depends on hair porosity and aftercare. Using the included after-color conditioner helps seal tone and extend vibrancy.

• Formulated for full grey coverage in a single application
• Fade-resistant pigments help maintain depth over time
• After-color conditioner locks in tone and improves manageability

What results can I expect on different starting hair colors?

On light brown to black hair, 4BG will develop into a warm, dark chocolate brown with beige-golden highlights. If your hair is mostly grey or very light, the finished shade may appear a touch lighter than the swatch. For dramatic lifts or very light bases, a professional consult is recommended for predictable results.

• Light brown to black: achieves the intended warm dark brown
• Mostly grey/light hair: shade may be lighter than swatch
• Very light or pre-bleached hair: outcome can vary—seek advice if unsure

Is the formula safe and what comes inside the kit?

The formula is paraben-free, cruelty-free and vegan friendly, and it contains the standard developer chemistry used in permanent at-home color kits. Each box includes the colorant, developer, foamer bottle for non-drip application, nourishing after-color conditioner, gloves and clear instructions to guide the process. Follow directions and perform a patch test if you have sensitive skin or scalp.

• Kit components: colorant, developer, foamer, conditioner, gloves, instructions
• Free from parabens; cruelty-free and vegan-friendly labeling
• Patch test recommended for first-time users or sensitive skin

Who is this for? This John Frieda Precision Foam Colour 4BG kit is ideal for people who want a salon-quality dark chocolate brown at home with minimal mess—particularly those who need reliable grey coverage and prefer a non-drip application. It suits natural hair tones from light brown to black and anyone looking to refresh or deepen brunette color with added conditioning and long-lasting results.

Ingredients

See packaging for ingredient details