Blue Semi-Permanent Hair Dye | Vivid & Long-Lasting | Stargazer

Our blue semi-permanent hair dye collection invites you to explore the rich and diverse world of blue hues, offering shades that range from subtle sophistication to bold vibrancy. Made in the UK with a commitment to ethical production, our vegan and cruelty-free dyes are designed to provide stunning, long-lasting colour that keeps your hair looking vibrant, healthy, and full of life. Whether you’re aiming for a soft pastel tone or a deep, dramatic blue, our collection has the perfect shade to transform your look.

Blue Black: Sophisticated and Mysterious

For those who want a deep, sophisticated colour with a hint of mystery, our blue black hair dye is the ideal choice. This shade combines the richness of black with a subtle blue undertone, creating a captivating colour that’s perfect for a sleek, polished look. The formula is designed to deliver even coverage and a long-lasting finish, ensuring your hair remains vibrant and glossy, with a deep hue that catches the light beautifully.

Pastel Blue: Delicate and Dreamy

For a softer, more ethereal look, our pastel blue hair dye provides a delicate, dreamy shade that’s perfect for those who want a subtle yet stylish colour. This light, airy blue adds a touch of whimsy to your hair, creating a gentle, calming effect that’s ideal for everyday wear or special occasions. The formula is designed to condition your hair as it colours, leaving it feeling silky smooth and looking beautifully radiant.

Light Blue: Fresh and Invigorating

Our light blue hair dye Soft Blue offers a fresh, invigorating colour that’s perfect for those who want to add a touch of brightness to their look. This shade provides a crisp, clean blue that’s both eye-catching and elegant, making it a great choice for anyone looking to stand out in a subtle, sophisticated way. The long-lasting formula ensures your light blue hair stays vibrant and healthy-looking, with a smooth, glossy finish that enhances its natural beauty.

Denim Shade: Trendy and Versatile

For a chic, modern look, our denim shade hair dye Ultra blue or Azure Blue is the perfect option. This trendy blue offers a cool, casual colour that’s both versatile and stylish, making it ideal for those who want to embrace a contemporary vibe. The denim shade provides a muted, wearable blue that’s easy to maintain, ensuring your hair looks effortlessly cool and fashion-forward.

Coral Blue: Vibrant and Playful

Our coral blue hair dye brings a vibrant, playful twist to the traditional blue palette. This lively shade offers a burst of colour that’s perfect for those who want to make a bold statement. Coral blue is ideal for festivals, parties, or any time you want to add a splash of fun to your look. The formula is designed to provide long-lasting colour with a radiant finish, ensuring your hair remains bright and full of life.

Indigo Blue: Deep and Intense

Our indigo blue hair dye Ultra Blue offers a deep, intense colour that’s perfect for those who love bold, dramatic looks. This rich, dark shade provides a striking contrast that enhances your natural beauty, creating a powerful, eye-catching effect. Indigo blue is a great choice for anyone looking to make a lasting impression with their hair colour.

Royal Blue: Regal and Majestic

For a truly majestic look, our royal blue hair dye delivers a rich, vibrant colour that’s fit for royalty. This regal shade provides a deep, luxurious blue that exudes confidence and sophistication, making it perfect for those who want to stand out in a bold, elegant way. The nourishing formula ensures your hair remains healthy and vibrant, with a brilliant finish that highlights the depth and richness of the colour.

Kind to Your Hair

All of our blue semi-permanent hair dyes are vegan, cruelty-free, and crafted without harsh chemicals, ensuring your hair stays healthy and conditioned while you enjoy your stunning new look. We believe in providing high-quality products that align with your values, allowing you to transform your hair with confidence.

Explore our blue semi-permanent hair dye collection today and find the perfect shade to elevate your style. From sophisticated blue-black or the dreamy oceana blue, to vibrant coral blue, our dyes offer the ideal blend of quality, vibrancy, and ethical production for a truly enchanting hair transformation.

Frequently Asked Questions

Do you need to bleach your hair before using blue semi-permanent hair dye?

For vivid results, yes. Blue dye works best on pre-lightened hair at level 8 or above. On dark or natural hair without bleaching, the colour will appear very subtle or may not show at all. The lighter your starting point, the more vivid and true-to-shade the result will be.

How long does blue semi-permanent hair dye last?

Typically 4–8 weeks on pre-lightened hair with good colour care. Blue tends to fade gradually to a lighter blue-green tone rather than disappearing suddenly. Washing with cool water and a colour-safe shampoo extends the life of the colour significantly.

How do I make blue hair dye last longer?

Wash with cool or cold water rather than hot, use a sulphate-free or colour-safe shampoo, avoid prolonged sun exposure, and leave extra time between washes where possible. Deep conditioning regularly also helps maintain vibrancy.

Why is blue hair dye harder to remove than other colours?

Blue pigment molecules are small, which means they penetrate the hair shaft more deeply than larger molecules used in other shades. This makes blue one of the most long-lasting — and most stubborn to remove — of all semi-permanent colours.

How do I remove blue semi-permanent hair dye?

Blue is one of the most challenging colours to remove at home. The vitamin C and anti-dandruff shampoo method repeated over several sessions is the gentlest approach. A bleach wash is faster but requires care on already-lightened hair. See our full guide on removing semi-permanent hair dye for step-by-step instructions.

Can I put blue dye on top of another colour?

Yes, but the result will be affected by your current colour. Blue over yellow-toned bleached hair will give clean results. Blue over pink or red may produce purple or dark tones. Always do a strand test first if mixing over another vivid shade.