10 Best Permanent Bright Hair Dye in The UK

Last updated on 13/08/2025

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Crazy Color Vibrant Rebel UV Semi-Permanent Duo Hair Dye. Highly Pigmented Neon Pink Conditioning & Oil Nourishing Vegan Formula | No Bleach or Ammonia | 200ml

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Why We Love It

Highly pigmented Neon Pink color.
Nourishes with natural oils.
PETA-approved vegan formula.

Main Highlights

CRAZY COLOR: The highly pigmented Rebel UV hair dye deposits an intense colour gently. Packed full of oils, our formula conditions as it delivers a Neon Pink colour.
READY TO USE AT HOME: With no ammonia and bleach, you can achieve your Neon Pink hair colour without damage. The lighter your hair, the more vibrant the shade.
NO DAMAGE DYE: With Raspberry Seed, Sunflower Seed and Avocado Oil, our gentle formula nourishes your hair as it colours. Our Rebel UV semi-permanent colour coats the outside of the hair, so is ideal for promoting good hair health, especially after bleaching.
VEGAN FORMULA: We never test on animals, all our Crazy Color products are PETA-approved, 100% vegan and cruelty-free. We are also PPD-Free, Gluten Free and Paraben Free!
MADE IN UK: Our Rebel UV formulas are made in the UK. Our semi-permanent shade promotes gentle hair colouring on bleached, pre-lightened and natural hair.

Hollywood Red Hair Dye Permanent with Anti-Breakage Plex Hair Care, Vegan Hair Dye & Cruelty-Free, PPD Free Hair Dye, 100% Grey Coverage, bright red Hair Colour, for All Hair Types By Smart Beauty

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Why We Love It

Vegan and cruelty-free dye.
Mess-free application method.
Protects and rebuilds hair.

Main Highlights

Transform dark blonde or brown hair to a striking new look with our permanent bright red hair dye colouring kit, with plex hair care treatment to protect, rebuild, and restore your hair's structure
Hollywood Red permanent hair dye; for a full head of colour, cover grey, root touch-up, balayage, undertones, lowlights. For all hair types, including chemically treated hair, Afro, Asian, men, women
PPD Free. Vegan, cruelty-free red hair dye. Using UK and European endorsed cosmetic standard ingredients blended into a smooth cream for home use. Award-winning Smart Beauty hair colour collection
Mess-free application. Mix the red colour cream and developer in the provided bottle, evenly apply with the precision nozzle and work through with gloved hands for a non-drip colouring experience
Smart Beauty is a customer focussed family-owned British business that produces premium vegan hair dye colouring kits. Committed to non-animal testing, ethical practice, minimal environmental impact

Manic Panic High Voltage® Classic Cream Formula Colour Hair Dye 118ml (Pillarbox® Red)

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Why We Love It

Popular for alternative hair coloring.
Comprises only natural ingredients.
Easily washable from hair.

Main Highlights

Classic High Voltage Semi-Permanent Hair Dye
Volume: 118ml
Free From: PPD Free, Gluten Free, Ammonia Free, Resorcinol Free, Phthalate Free, Vegan Friendly, Cruelty Free
Duration: 4 - 6 weeks
Patch Test: Always perform a patch test 24-48 hours before use, following instructions on the packaging.

No Bleach London Permanent Hair Dye, Long-Lasting and Multi-dimensional At-Home Hair Colour, Fortified with Vegan Sea Silk and Cocamide for Incredible Shine, Colour: Vivid Red (Complete Kit)

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Why We Love It

Vivid red shade transformation.
Nourishes and strengthens strands.
Quick and easy application.

Main Highlights

Transform your hair to a vivid red shade that’s full of shine. The Go Brighter formula pairs salon-quality pigments with a low level developer to gently colour and blend greys without creating unnecessary damage.
Vegan and PETA-Approved. Our No Bleach London permanent hair dye is fortified with Vegan Sea Silk and Cocamide to nourish and strengthen strands. Whilst our post-colour treatment seals the cuticle for extra shine and leaves hair feeling silky soft.
The rich, non-drip formula is quick to mix and easy to use! Our instructions come with stylist tips to ensure great colour results. Always follow instructions provided and carry out a skin sensitivity test at least 48 hours before use.
Included: 60ml Conditioning Colour, 60ml Go Brighter Developing Lotion, 20ml Keep it Sealed Conditioner, gloves and instructions. One kit covers roots and very short hair up to 2.5cm. If your hair’s long or thick, you’ll need at least two kits.
This product is only for use on healthy, undamaged hair. Wait at least 14 days after bleaching, relaxing or perming before colouring. Do not use on hair that has ever been dyed with henna or permanent hair dye.

2x La Riche Directions Semi-Permanent Hair Color 100ml Tub - Neon Red

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Why We Love It

Incredible mixable vibrant colors.
100% vegan and cruelty-free.
Free from harmful chemicals.

Main Highlights

Vibrant Neon Red Shade – A bright, electrifying red that makes a bold statement.
Semi-Permanent Formula – Lasts 4–6 weeks with smooth, even fading and no harsh regrowth lines.
Ready-to-Use Cream Dye – No peroxide or developer needed; ideal for pre-lightened or bleached hair.
Vegan & Cruelty-Free – Conditions hair while delivering vivid colour with an ethical formulation.
2 x 100ml Tubs – Perfect for multiple applications, touch-ups, or sharing with friends.

Rebellious Colours 100% Vegan Semi Permanent Hair Dye Colour (100ml), bright Neon shades that glow under UV Blacklight, Vegan & Cruelty free (Neon UV Pink)

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Why We Love It

Super bright Neon colours glow.
Made only from vegan ingredients.
No harmful chemicals inside.

Main Highlights

VEGAN - Made only from vegan ingredients with no animal by-products. Made in the UK
NEON COLOURS - Super bright Neon colours which Glow under UV blacklight
COLOUR & CONDITIONS - hair dyes are gentle enough for frequent use, condition your hair and restores vibrancy
LONG LASTING - Long lasting colours, smears less, No Peroxide, No Ammonia, No PPD
QUALITY - No harmful chemicals in Rebellious hair dye. AVOIDING hair damage associated with chemical based hair colours

Garnier Color Sensation 6.60 Intense Ruby Red Permanent Hair Dye

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Why We Love It

Intense, long-lasting red color.
Up to 100% grey coverage.
Enriched with Rose oil.

Main Highlights

Shade: Garnier Color Sensation 660 Intense Ruby Permanent Hair Dye
Up to 100 percent grey hair coverage
Intense, Long-lasting red hair colour result with mirror shine
Superstay colour intensity conditioner enriched with Rose oil and Mother of pearl
Can't decide between 2 shades? Always choose the lightest hair dye shade
Top tips: Use an old towel as hair colour may stain it Apply moisturising cream to your hairline to avoid staining

Knight & Wilson Colour-Freedom 150ml Mystic Purple Semi-Permanent Hair Colour - Ultra-Vibrant Vegan Friendly Colour Mask with Shine Booster Complex - Ammonia Free Colour Lasts Up To 6-10 Washes

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Why We Love It

Gentle and effective formula.
Large tube for multiple applications.
Boosts natural-looking shine.

Main Highlights

GENTLE & EFFECTIVE FORMULA: Break away from permanent colour, peroxides and harsh chemicals with a purple hair dye formula that boosts colour penetration and fades out in 6-10 washes.
"LARGE TUBE: Colour-Freedom Ultra Vibrant shades come in a Extra Large tube - 150ml. The more product the better as this allows for multiple applications, keeping your bold, bespoke hair shade vibrant and fresh. (Multiple applications will depend on length and thickness of the hair.) EASY MASK APPLICATION: Professional non-drip formula goes on easily for beautifully even, radiant results from your semi-permanent pink hair dye."
GO VIBRANT OR PASTEL: Mix and play to reflect your style. Choose between bold colour or delicate pastels by adding Colour-Freedom Pasteliser to your purple temporary hair dye.
FUN & VERSATILE: Perfect for full head application or effects such as streaks, dip dye or ombre.
BOOSTS SHINE: unique Shine Booster Complex technology combines shea butter and argan oil for a deep conditioning formula that adds natural looking shine.

Schwarzkopf LIVE Colour Drops Crystal Blue Semi-Permanent Hair Dye, 30ml, Colour that Lasts 2-12 Washes, Blue Hair Dye Drops

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Why We Love It

Customizable shades for all blondes.
Silicone-free and vegan formula.
Get vibrant color every time.

Main Highlights

Customised colour: Simply mix this hair dye with conditioner for a customisable intensity and an array of different shades - the more drops, the more intense the colour result
Flexible colour: With up to 30 uses per bottle, you can experiment with this temporary hair colour to find your favourite shade - whether bold or subtle
Temporary colour: The Crystal Blue hair colour drops last 2-12 washes, depending on the number of drops used, meaning you can change your colour as often as you like
For best results: These semi-permanent purple hair dye drops are designed for use on bleach blonde to light blonde hair and allow you to create your own unique shade
Caring formula: The vegan* and silicone-free formula of these temporary hair dye drops is nourishing and leaves hair looking healthy and soft

Adore Shining Semi Permanent Hair Colour, 86 Raspberry Twist

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Why We Love It

No harsh chemicals included.
Infused with Aloe Vera.
Color lasts exceptionally long.

Main Highlights

No Alcohol No Peroxide No Ammonia
Contains Aloe Vera
Long Lasting Vibrant, Shining Colour
Upto 12 months life span of the product after opening
For Professional Salon Use Only.

8.7

Excellent

We scanned 1848 products

We reviewed these offers relevant to the Permanent Bright Hair Dye within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Crazy Color, Smart Beauty, Manic Panic, Bleach London, La Riche, PaintGlow, Garnier, Knight & Wilson, LIVE, Adore, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Permanent Bright Hair Dye in the market, we considered we took a deep dive into 9241 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Crazy Color Vibrant Rebel UV Semi-Permanent Duo Hair Dye. Highly Pigmented Neon Pink Conditioning & Oil Nourishing Vegan Formula | No Bleach or Ammonia | 200ml. We love many things about this product by Crazy Color. What sets it apart from the competition is Highly pigmented Neon Pink color, Nourishes with natural oils, PETA-approved vegan formula.
The best value product for most shoppers and where user satisfaction is continuously the highest is Hollywood Red Hair Dye Permanent with Anti-Breakage Plex Hair Care, Vegan Hair Dye & Cruelty-Free, PPD Free Hair Dye, 100% Grey Coverage, bright red Hair Colour, for All Hair Types By Smart Beauty by Smart Beauty based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Permanent Bright Hair Dye and the best cost-to-value ratio is 2x La Riche Directions Semi-Permanent Hair Color 100ml Tub - Neon Redat La Riche with a 15% discount.
Our list of the best Permanent Bright Hair Dye is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Permanent Bright Hair Dye in The UK

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We scanned 1848 products

We concluded that: