FREE UK delivery on orders over £30

Directions Fluorescent Semi-Permanent Hair Dye

Looking for hair that’s “all glown up”? Light up your look with our UV-reactive, semi-permanent fluorescent hair dyes. From rave-ready neons to luminous lime glows – these bright, bold shades are fully mixable and designed to turn every head, every time.

Fluoros

Showing 1 to 8 of 8 results

Icon shipping

FREE UK delivery on orders over £30

Icon rating

Rated excellent on Reviews.io

Icon save

Save as you spend with Directions Rewards

Explore all things fluorescent hair dye

Check out these must-read articles from our blog.
The Directions Hair Ultimate Guide to Choosing, Applying and Maintaining Copper Hair Dye
| 12 min read How-To Guides
Your Ultimate Guide to Copper Hair Dye

Warm, radiant and full of fire – copper is one of the trendiest hair colours right now, and a shade that never fades into the background. From bright and intense to cool and classic, there’s a copper to suit every style. In our ultimate guide to copper hair dye, we cover everything from picking your perfect tone to keeping your colour glowing for longer.

Author

Directions Hair

The home of semi-permanent hair colour
The Directions Hair Ultimate Guide to Choosing, Applying and Maintaining Yellow Hair Dye
| 12 min read How-To Guides
Your Ultimate Guide to Yellow Hair Dye

Yellow is anything but mellow. A colour that dazzles, glows and pops in every situation, yellow is the shade made for those who live to light up the room. In this essential guide to yellow hair dye, we’ll share our top tips for choosing your perfect tone and helping it shine all morning, noon and night.

Author

Directions Hair

The home of semi-permanent hair colour
The Directions Hair Ultimate Guide to Choosing, Applying and Maintaining Green Hair Dye
| 13 min read How-To Guides
Your Ultimate Guide to Green Hair Dye

Ready to give your hair the green light? From the brightest limes and neon greens, to deep, luxurious emeralds and forest greens – these are shades made for the brave and refuse to blend into the background. In this essential guide to green hair dye, we run down all you need to choose, apply and maintain a look that will make everyone jealous.

Author

Directions Hair

The home of semi-permanent hair colour
The Directions Hair Ultimate Guide to Choosing, Applying and Maintaining Black Hair Dye
| 12 min read How-To Guides
Your Ultimate Guide to Black Hair Dye

Sleek, intense, timeless. Black is the classic choice for looks full of depth, drama and a touch of mystery. It frames the face, deepens every feature, and carries an air of quiet confidence like no other shade – and in this guide, we’ll share all you need to know about choosing, applying and caring for your perfect black hair dye.

Author

Directions Hair

The home of semi-permanent hair colour

Give your hair a glow-up: Meet the boldest range of fluorescent hair dyes

Craving colour that doesn’t just pop – it glows? Say hello to fluorescent hair dye that was born to stand out. Whether you're heading to a festival, rave or just want something a little louder, our vivid, UV-reactive shades are here to electrify your look and amplify your vibe.

These highly pigmented, vegan-friendly hair dyes don’t just deliver intense colour. Under black light, each fluorescent shade lights up with an eye-catching ultraviolet glow that turns your hair into the life of the party. But even in daylight, you’ll still get show-stopping vibrancy and shine thanks to our rich, conditioning formula.

Easy to apply, ultra-bright, and kind to your hair, Directions fluorescent hair colour is perfect for bold beginners, seasoned stylists and everyone in between. From dazzling highlights to all-over illumination, these colours are made to shine on every style and skin tone.

Ready to turn up the volume? Choose neon. Choose vivid. Choose Directions fluorescent hair dye.

DIRECTIONS FLUORESCENTS: As Seen on You!

Icon vegan friendly

100% vegan-friendly and cruelty-free

Icon mixable

Full mixable to create your perfect shade

Icon recyclable

Fully recyclable with zero single-use plastic

Icon salon approved

Salon-approved used by professionals

Fluorescent hair dye FAQs

What is the best fluorescent hair dye for vivid results?

The best fluorescent hair dye delivers intense colour, UV-reactive glow, and a conditioning formula that keeps hair healthy and vibrant.

At Directions, our semi-permanent fluorescent hair dyes are packed with pigment and designed to glow boldly under black light, making them perfect for high-impact looks. Whether you choose Fluorescent Orange, Yellow, Green or Lime, each shade delivers an electric hair colour experience – no harsh chemicals required.

For best results, apply to pre-lightened or light blonde hair to unlock the brightest, most vivid glow.

What makes fluorescent hair dye different from regular dye?

Fluorescent or UV-reactive hair dye contains special pigments that glow under ultraviolet (UV) light, such as black lights used in clubs, festivals or creative photo shoots.

Unlike traditional dyes, fluorescent colours don’t just look bright in daylight – they emit a stunning glow when exposed to UV light, creating an ultraviolet colour effect that’s impossible to ignore.

Directions fluorescent dyes are ideal for people looking to make a bold statement with their hair while enjoying the vegan-friendly, cruelty-free benefits of our core range.

How light does my hair need to be for fluorescent dye to work?

To achieve the most vivid hair colour and UV glow, we strongly recommend applying fluorescent dye to pre-lightened or light blonde hair (levels 9–10). The lighter the base, the more intense the colour and glow effect.

While some pigment may appear on darker hair, neon hair dye works best when your hair has been lightened beforehand.

Does fluorescent hair dye work on dark hair?

Fluorescent colours may show a subtle tint on darker hair, but to really achieve a bold, glowing result – especially under black light – you’ll need to start with pre-lightened hair.

For full-strength neon green hair, fluorescent yellow, or electric orange, using a hair lightening kit will unlock the full impact of the colour.

Does Directions fluorescent hair dye glow in the dark?

Not quite – fluorescent hair dye is UV reactive, which means it glows under black light (ultraviolet light), not in total darkness.

When exposed to UV light, these pigments emit an intense ultraviolet glow, making them perfect for clubs, festivals, raves and creative shoots. But without UV light, they behave like any other bright hair dye – vibrant, eye-catching and full of life.

Fluoros wholesale image

Become a Directions fluorescent hair dye wholesaler

Want to stock the boldest UV-reactive hair colours? Become a Directions wholesaler today. Trusted by salons, stylists and creatives around the world, our iconic fluorescent hair dyes deliver intense pigment, high-impact glow under black light, and bold colour that’s fully vegan and made in the UK.

Icon bulk percentage
Huge discounts across our range
Icon stock
Never out of stock – we’re the manufacturers
Icon delivery
Next-day delivery on all UK orders
Icon support
Enjoy enhanced assistance & support

Become a Directions VIP

Sign up to the Directions newsletter and get special offers, updates and more straight to your inbox. Unlock huge savings, get top tips and stay on top of the hottest colour trends now.

We care about your data. Read our privacy policy.

Continuing will compromise your user experience.

We recommend that you switch to a modern browser such as: Microsoft Edge, Google Chrome, Firefox, Safari or update your existing browser to the latest version(s) for optimal performance, user experience and security.