Dive Into the Depths of Black & Blue Hair Perfection

Welcome to our boldest palette yet — the Black & Blue collection at Smart Beauty, where effortless care meets creative colour. Think midnight inky black with a whisper of sapphire, or full-on electric blue that turns heads and stays strong on grey coverage — all backed by our pledge to clean, cruelty-free, vegan beauty.

Whether you’re covering greys with glossy depth or letting your inner rebel shine in bold cerulean, you’re in the right place. Browse, pick your statement shade and let your hair tell its story. Ready? Let’s get colouring.

Smiling woman with deep sapphire blue-black hair coloured using Smart Beauty Sapphire Black Hair Dye with Plex Care – vegan, cruelty-free permanent hair colour made in the UK for glossy results