Sapphire Blue Black Hair Dye Permanent with added Plex anti Hair breakage technology, Vegan & Cruelty-Free | Smart Beauty



With added Smart Plex anti-breakage hair care technology.

Smart Plex, described as ‘the single most important development in hair color’ plex is unlike other conditioners and treatments which only add ingredients. Plex actually nourishes and rebuilds the micro-bond fiber structure of the hair making it healthier and stronger.

Protects your hair against damage & breakage

Rebuilds your hair’s natural structure

Restores your hairs strength, suppleness & volume

permanent hair color, 100% vegan, vegan

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PERMANENT BLUE BLACK HAIR DYE: Beautiful and fashionable shade of Blue Black Hair Color, for dark blonde to mid-brown hair.
✅ WITH ADDED SMART PLEX ANTI HAIR BREAKAGE TECHNOLOGY: Helps nourish and rebuild the micro-bond fiber structure, making the hair healthier & stronger.
✅ EASY TO USE: Inside the home color kit is an informative step-by-step guide on how to use this blue black hair dye to color your hair and links to further helpful guides.
✅ NON-DRIP FORMULA: Mix the color cream with the cream developer in the bottle, apply using the nozzle & blend into the hair with gloved fingers.
✅ BEST RESULTS: Apply to dark blonde to black hair. If your hair is darker the result will not be as visible or will not provide your desired shade.
✅ 100% GREY COVERAGE: For full head application and root re-growth (Thick or hair longer than 20cm may need two packs)
✅ VEGAN & CRUELTY-FREE BLUE BLACK HAIR DYE: We at Smart Beauty take responsibility for our impact on society and the planet.

Choosing the right hair dye can be an exciting yet daunting process. One has to consider multiple factors: the health of the hair, the quality of the product, ethical considerations, and of course, the ultimate impact of the color itself. When it comes to Smart Beauty’s Permanent Sapphire Blue Black Hair Dye, it’s not just about the captivating color, but also about the hair’s holistic health and ethical consumerism.

This blue black hair dye is distinguished by its unique formulation which includes Plex anti-hair breakage technology. This is no trivial component; it’s a game-changer in hair dye technology. Plex works at the microscopic level, rebuilding and nourishing the hair’s micro-bond fiber structure. This means it doesn’t just color your hair beautifully, it treats it from the inside out, enhancing its health and strength. This transformative process ensures your hair not only looks stunning but also feels resilient and revitalized.

Moreover, the Sapphire Blue Black Hair Dye is a Vegan and Cruelty-Free product. Smart Beauty takes pride in its commitment to ethical production methods, which means no animal products are used, and no animal testing is involved. Thus, by choosing this product, you’re not only opting for lustrous hair but also contributing to the welfare of the planet and its creatures.

Now, let’s discuss the allure of the color itself. The Sapphire Blue Black is an intriguing mix of the conventional and the extraordinary. The base is black, a classic and timeless shade that has universal appeal. It is renowned for its elegance, sophistication, and the air of mystery it exudes. However, the twist comes with a subtle sapphire blue undertone, lending an intriguing and edgy appeal to the overall look.

This shade, reminiscent of a midnight blue sky, adds a touch of uniqueness to your style. The result is a multidimensional look that seems to change and sparkle with different lights and angles, akin to the mesmerizing play of colors on a sapphire gemstone. This enchanting hue does not shout for attention but instead captivates with its understated allure.

In addition to all these benefits, the Sapphire Blue Black Permanent Hair Dye ensures 100% grey coverage. It can seamlessly blend your grey hair with the rest of your hair, providing a uniform and natural-looking color. This makes it a versatile choice regardless of your age or the extent of your greying.

Smart Beauty’s Sapphire Blue Black Permanent Hair Dye is more than a hair dye; it’s a holistic hair solution. It’s a perfect blend of state-of-the-art technology, ethical production, timeless black color, mesmerizing blue undertones, and the assurance of completely covering greys. As a result, your hair doesn’t just undergo a color change, but a comprehensive transformation. It emerges stronger, healthier, and undeniably striking.

Make a statement, make a difference, and experience the ultimate hair metamorphosis with Smart Beauty.

In conclusion, the permanent Sapphire Blue Black Hair Dye by Smart Beauty is an exceptional choice for anyone looking to experiment with a new hair color while maintaining and improving the health of their hair. This blue black hair dye offers not only a stunningly rich color but also advanced Plex anti-breakage technology to fortify and strengthen your hair.

Additionally, its vegan and cruelty-free formulation ensures you’re making an ethical choice. You’re not just choosing a blue black hair dye; you’re choosing a statement of beauty, health, and compassion.

Need further information or advice? Please visit our knowledge base or raise a ticket and we will get back to you.

How to Use

How to achieve a vibrant Permanent Sapphire Black/Bue color? (Full instructions are provided in the pack)

Getting Started
• Start with dry, unwashed hair
• Cover your clothing with an old towel/cape
• Wear protective gloves provided
• Keep your clock nearby to check development time

How to mix the hair dye
• Unscrew the cap of the developer cream bottle
• Unscrew the cap of the tube of color cream and pierce the tube with the reverse of the cap
• Squeeze the entire contents of the tube into the developer cream bottle, carefully
• Replace with nozzle and shake vigorously until both creams are thoroughly blended into a smooth, creamy consistency
• Remove the tip of the application nozzle and immediately start the application

How to apply the hair dye
• Start applying the mix at the roots. Use the application nozzle tip to work through the hair to separate the hair section by section.
• Spread and apply the remaining product all over, making sure the hair is completely saturated and leave to develop for a total of 30 minutes
• Wearing gloves, work hair into a lather
• Rinse thoroughly with warm water, until water runs clear
• Wash with color-safe shampoo
• Towel dry, and style as desired
• Smart Colour+plex already contains conditioning treatment, so you do not need to use additional conditioner
• For color longevity, we recommend using a color protect serum

Top Tips
• After coloring, wait for a full 72 hrs before shampooing
• Use sulfate-free shampoo and conditioner
• Turn down the water temperature when shampooing


Will it damage my hair?
This unique Permanent Sapphire Black formulation deeply penetrates the hair during the coloring process, providing strength and protection.
How long will the color last?
This is a permanent color
What present hair color is this best for:?
We recommend this shade for Dark Brown Hair
Will it cover grey?
Yes, this product is suitable for up to 50% grey
How do I refresh the color?
Simply reapply the color to dry unwashed hair, following the instruction in the pack.

How many packs do I need?

If your hair is thick or long, two packs may be required

How long is the development time?

Approx. 30 minutes.

Contents & Ingredients

Tube of Permanent Sapphire Black/Blue color cream
Developer Cream – activator
Pair of Protective gloves
Detailed Step-by-Step Instructions

Aqua, Cetyl Alcohol, Cetearyl Alcohol, Propylene Glycol, Ceteareth-25, Cocamide MEA, 2,4-Diaminophenoxyethanol Hcl, Toluene-2,5-Diamine Sulfate, Ammonia, Ethanolamine, Ceteth-2, Polyquaternium-6, Dimethicone, Apricot Kernel Oil Polyglyceryl-6 Esters, Polyglyceryl-10 Dipalmitate, Punica Granatum Seed Extract, Dicetyl Phosphate, Hydrolyzed Yeast Extract, Sorbitan Oleate, Guanosine, Adenosine Phosphate, Maleic Acid, Oleyl Alcohol, Uracil, PVP, Ascorbic Acid, Xanthan Gum, Dimethicone PEG-8 Meadowfoamate, Sodium Sulfite, Sodium Hydrosulfite, Disodium EDTA, Parfum, N,N-Bis(2-Hydroxyethyl)-P-Phenylenediamine Sulfate, 2,6-Diaminopyridine.

Contains: Ammonia, Phenylenediamines (Toluenediamines), Phenylenediamines

Development Cream
Water (Aqua), Hydrogen Peroxide, Cetearyl Alcohol, Sodium Lauryl Sulfate, Sodium Salicylate, Paraffinum Liquidum, Citric Acid.

hair color not tested on animals

Not Tested On Animals


Suitable For Vegans


Made In The UK & Italy


Shipped Via Amazon

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