Dark Brown Hair Dye Shampoo 400ml - Quick 100% Grey Coverage

In this review of the Dark Brown Hair Dye Shampoo 400ml the bottom line is straightforward: this is a good at-home solution for adults who want quick, temporary grey coverage without salon time. It is best for people who prefer an ammonia free, surface-level color that washes out after a few weeks and for those who value natural oils in a formula. The reviewer found it simple to use, delivers solid immediate color in about 15 minutes, and is convenient for repeat touchups thanks to a 400ml bottle that can cover many applications.

Key Features

• Fast coverage: The shampoo colors hair in about 15 minutes, making it easy to fit into a morning routine or quick touchup session.
• Temporary formula: The dye sits on the hair surface and typically fades over 3 to 4 weeks, which reduces long-term chemical exposure compared with permanent dyes.
• Good yield: A 400ml bottle is sized to provide roughly 15 uses for shoulder-length hair and more for shorter cuts, so one bottle lasts multiple applications.
• Ammonia free: The product avoids ammonia and acts like a combined shampoo and conditioner for simpler at-home application.
• Natural oils: Enriched with olive oil, argan oil and rice bran oil to help nourish hair and add shine during coloring.
• Mild scent blends: Lavender and peppermint give a light fragrance while ginger oil is included for scalp care and support.

Who It's For

This product suits men and women who want to cover greys quickly without a salon visit and who prefer a less permanent option that fades over weeks rather than months. It is helpful for people who perform frequent touchups and want a single product that conditions while coloring.

It is less suitable for someone seeking permanent, salon-grade color or for anyone who needs long-term resistance to frequent washing. Users with a history of strong scalp sensitivity should patch test first, since customer experiences with irritation and scent vary.

Pros & Cons

Pros

• Easy, one-step application that doubles as a conditioner and works in about 15 minutes.
• Contains nourishing oils that help hair feel smoother and look shinier after use.
• Generous 400ml bottle yields many applications, making it economical for repeat use.
• Ammonia free and designed to fade after several washes, reducing long-term chemical exposure.

Cons

• Longevity is mixed in user reports; some find the color fades faster than expected.
• A small number of users report scalp sensitivity or irritation, so a patch test is advised.

Specifications

Product type	Instant hair color shampoo
Color	Dark Brown
Volume	400ml
Application time	About 15 minutes
Duration	Typically 3-4 weeks (fades with washes)
Key ingredients	Olive oil, argan oil, rice bran oil, lavender, peppermint, ginger oil
Ammonia	Ammonia free

Our Verdict

The Dark Brown Hair Dye Shampoo 400ml is a practical, cost-effective option for people who want fast, temporary grey coverage at home. It combines easy application with conditioning oils and a sizeable bottle that supports many touchups, making it good value for repeat users who accept a surface-level, fading dye rather than a permanent change.

Frequently Asked Questions

How long does the color last?
The color typically fades after 3 to 4 weeks and will progressively wash out with regular shampooing.

How many uses are in one bottle?
A 400ml bottle can be used up to about 15 times for shoulder-length hair and more for shorter hair, depending on amount applied.

Is it safe for sensitive scalps?
The formula is ammonia free and contains nourishing oils, but user reports vary, so perform a patch test before full application if you have sensitive skin.