Looking for a blue black hair dye that delivers rich, long-lasting colour with incredible shine?
Smart Beauty Black Sapphire is a luxurious permanent hair colour that combines deep black pigments with cool blue undertones for a multidimensional finish that catches the light beautifully. Our advanced formula is enriched with Smart Plex Technology built directly into the Colour Cream, helping support your hair throughout the colouring process while delivering vibrant, salon-quality colour.
Whether you're covering stubborn grey hair, refreshing faded colour, or creating a bold new look, you'll enjoy beautifully rich blue black hair with exceptional shine, softness, and confidence.
Because beautiful colour should never come at the expense of healthy-looking hair.
Most permanent hair dyes focus only on colour.
Smart Beauty goes one step further.
Our exclusive Smart Plex Technology is blended directly into the Permanent Colour Cream, helping care for every strand while your hair colours. As the rich pigments penetrate deeply into the hair, the Plex-enriched formula helps support the hair's internal structure, leaving it looking smoother, shinier, and healthier.
Unlike products that require a separate Plex treatment, Smart Beauty builds this advanced technology directly into the permanent hair colour formula, giving you beautiful colour and healthier-looking hair in one simple application.
Professional colour.
Healthier-looking hair.
One easy step.
Our blue black hair dye delivers intense, long-lasting colour with rich blue undertones that reveal themselves beautifully in natural and artificial light.
The premium permanent hair colour formula creates a glossy black finish with subtle sapphire reflections for hair that looks vibrant, healthy, and full of dimension.
Perfect if you're:
Enjoy professional-looking results without paying salon prices.
For longer, thicker, or very curly hair, we recommend using two boxes to ensure complete, even coverage.
Grey hair deserves complete coverage.
Smart Beauty Blue Black Hair Dye is specially formulated to provide reliable, even coverage from root to tip while creating a rich blue black finish with exceptional shine.
The permanent formula penetrates every strand to deliver consistent, long-lasting colour that blends beautifully with your natural hair.
No patchy roots.
No uneven colour.
Just beautifully rich blue black hair you'll love.
Everything you need for beautiful, salon-quality colour at home.
Each Smart Beauty Black Sapphire Kit includes:
Simply mix, apply, rinse, condition, and enjoy vibrant blue black hair.
Our blue black hair dye is suitable for:
If your hair is longer than shoulder length, particularly thick, or very curly, we recommend using two or three boxes for complete coverage.
*Always perform a strand test before colouring previously treated hair.
Blue black hair dye combines rich black pigments with cool blue undertones to create a glossy black finish with subtle sapphire reflections. The blue tones become more noticeable in natural sunlight and bright indoor lighting, giving your hair extra depth and shine.
Yes. Smart Beauty Blue Black Hair Dye provides 100% grey coverage while delivering rich, even blue black colour from root to tip.
Smart Plex Technology is built directly into the Permanent Colour Cream. As your hair colours, the Plex-enriched formula helps support the hair's internal structure during the colouring process, helping reduce breakage while delivering rich, permanent colour.
This is a permanent hair colour designed to provide long-lasting blue black colour, complete grey coverage, and brilliant shine.
No. Black Sapphire is primarily a rich black shade with subtle blue undertones that create extra depth and a glossy sapphire shine rather than a vivid blue colour.
If your hair is longer than shoulder length, particularly thick, or you're colouring from roots to ends, we recommend using two or three boxes to ensure complete, even coverage.
At Smart Beauty, we believe colouring your hair should be simple, enjoyable, and empowering.
That's why every permanent hair colour combines professional-quality pigments with Smart Plex Technology built directly into the Colour Cream—helping care for your hair while delivering beautiful, long-lasting colour.
Whether you're covering grey hair, refreshing your favorite shade, or embracing the sophisticated shine of blue black hair dye, Smart Beauty makes it easy to achieve rich, glossy, salon-quality results at home.
Every application leaves your hair looking vibrant, feeling soft, and full of healthy-looking shine.
Beautiful colour. Healthier-looking hair. Colour with confidence.
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