Looking for a blue black hair dye that delivers rich, long-lasting color with incredible shine?
Smart Beauty Black Sapphire is a luxurious permanent hair color 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 Color Cream, helping support your hair throughout the coloring process while delivering vibrant, salon-quality color.
Whether you're covering stubborn gray hair, refreshing faded color, or creating a bold new look, you'll enjoy beautifully rich blue black hair with exceptional shine, softness, and confidence.
Because beautiful color should never come at the expense of healthy-looking hair.
Most permanent hair dyes focus only on color.
Smart Beauty goes one step further.
Our exclusive Smart Plex Technology is blended directly into the Permanent Color Cream, helping care for every strand while your hair colors. 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 color formula, giving you beautiful color and healthier-looking hair in one simple application.
Professional color.
Healthier-looking hair.
One easy step.
Our blue black hair dye delivers intense, long-lasting color with rich blue undertones that reveal themselves beautifully in natural and artificial light.
The premium permanent hair color 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.
Gray 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 color that blends beautifully with your natural hair.
No patchy roots.
No uneven color.
Just beautifully rich blue black hair you'll love.
Everything you need for beautiful, salon-quality color 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 boxes for complete coverage.
*Always perform a strand test before coloring 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% gray coverage while delivering rich, even blue black color from root to tip.
Smart Plex Technology is built directly into the Permanent Color Cream. As your hair colors, the Plex-enriched formula helps support the hair's internal structure during the coloring process, helping reduce breakage while delivering rich, permanent color.
This is a permanent hair color designed to provide long-lasting blue black color, complete gray 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 color.
If your hair is longer than shoulder length, particularly thick, or you're coloring from roots to ends, we recommend using two or three boxes to ensure complete, even coverage.
At Smart Beauty, we believe coloring your hair should be simple, enjoyable, and empowering.
That's why every permanent hair color combines professional-quality pigments with Smart Plex Technology built directly into the Color Cream—helping care for your hair while delivering beautiful, long-lasting color.
Whether you're covering gray 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 color. Healthier-looking hair. Color with confidence.
Scegli le opzioni
