10 Best Bright Hair Dye Crazy Colours in The UK

Last updated on 15/08/2025

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9.9

Exceptional

Crazy Color

2x Crazy Color Semi-Permanent Hair Dye 2x 100ml (Fire Red)

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Why We Love It

Striking vibrant look guaranteed.
Gentle formula for bleached hair.
Achieve dream red effortlessly.

Main Highlights

Create a striking look with our Fire semi permanent hair dye.
Our hair dye is intended for bleached hair and is a gentle formula.
Get the red of your dreams with our Fire two pack.

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

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Why We Love It

Highly pigmented vibrant color.
Nourishes while it dyes.
Vegan and cruelty-free formula.

Main Highlights

CRAZY COLOR: The highly pigmented Orange hair dye deposits an intense colour gently. Packed full of oils, our formula conditions as it delivers a bright Orange colour.
READY TO USE AT HOME: With no ammonia and bleach, you can achieve your Vibrant Copper 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 Orange 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 Orange formulas are made in the UK. Our semi-permanent shade promotes gentle hair colouring on bleached, pre-lightened and natural hair.

Moon Glow 20ml Neon UV Hair Gel - Temporary Wash-out Hair Colour dye - Choose from 8 colours (Set of 5)

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Why We Love It

Glows brilliantly under UV lighting.
Amazing vibrant long-lasting colors.
Vegan-friendly and cruelty-free.

Main Highlights

MOON GLOW INTENSE NEON UV HAIR GEL - For the ultimate in neon hair gel with the added fun of fluorescent magic. These 8 incredibly intense colours shine neon bright by day and give your styled hair a stunning glow under UV lighting and blacklights - awesome!
PREMIUM QUALITY - With our highly pigmented, premium formula you’ll enjoy a strong, firm hold every time with vibrant long-lasting colour. Perfect for adding bright neon colour to festivals, clubbing, fancy dress, stage productions and parties.
SUPER EASY TO USE - Moon Glow Intense Neon UV Hair Gel makes styling easy. Apply generously to hair using your fingertips. Spikes, quiffs or simply sleek, your hair will wow the crowd with colour. To remove, just wash hair with shampoo as normal.
FEEL-GOOD - Vegan-friendly, cruelty-free, and non-toxic, our cosmetically certified range of face and body paints, make-up, hair, and nail products will help you perfect an amazing look that’s better for our planet and never tested on animals.
HELPING YOU GLOW - Ever popular for so many occasions, our Moon Glow range offers professional quality, incredible colour and superb effects with its face and body paints, make-up, glitters hair gels and nail polish. Grab yours now and light up your life!

Crazy Color Vibrant Fire Semi-Permanent 4 Pack Quad Hair Dye. Highly Pigmented Pillarbox Red Conditioning & Oil Nourishing Vegan Formula No Bleach or Ammonia 400ml

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Why We Love It

Intense Pillarbox Red color.
Nourishes hair while coloring.
Cruelty-free and vegan formula.

Main Highlights

CRAZY COLOR: The highly pigmented Fire hair dye deposits an intense colour gently. Packed full of oils, our formula conditions as it delivers a Pillarbox Red colour.
READY TO USE AT HOME: With no ammonia and bleach, you can achieve your Pillarbox Red 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 Fire 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 Fire formulas are made in the UK. Our semi-permanent shade promotes gentle hair colouring on bleached, pre-lightened and natural hair.

Crazy Color Ruby Rouge Semi-Permanent Hair Dye. Highly Pigmented Wine Red/Plum Conditioning & Oil Nourishing Vegan Formula | No Bleach or Ammonia | Limited Edition 150ml Size

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Why We Love It

Vibrant color without damage.
Nourishes hair while coloring.
Cruelty-free and vegan formula.

Main Highlights

LIMITED EDITION SIZE: The highly pigmented Ruby Rouge hair dye deposits an intense colour gently. Packed full of oils, our formula conditions as it delivers a Wine Red colour.
READY TO USE AT HOME: With no ammonia and bleach, you can achieve your Wine Red 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 Ruby Rouge 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 PDP-Free, Gluten Free and Paraben Free!
MADE IN UK: Our Ruby Rouge formulas are made in the UK. Our semi-permanent shade promotes gentle hair colouring on bleached, pre-lightened and natural hair.

Renbow Crazy Color Semi Permanent Hair Color Cream Orange No.60 100ml

Why We Love It

Vibrant and bold color choices.
No peroxide needed.
Easy to use.

Main Highlights

Original and Best Since 1977

Crazy Color Neon Rebel UV Semi-Permanent Hair Dye. Highly Pigmented Glow up Neon Pink Conditioning & Oil Nourishing Vegan Formula | No Bleach or Ammonia | 100ml

Why We Love It

Gives vibrant, unique colors.
Vegan and cruelty-free formula.
Long-lasting for multiple washes.

Main Highlights

It’s time to put COLOUR IN YOUR HANDS with Crazy Color’s range of semi-permanent dyes, perfect for creating vibrant colour on bleached blonde hair

Crazy Color Permanent Hair Color Cream Number 67, Blue Jade 100 ml

Why We Love It

Wild and vibrant color options.
Hassle-free, quick application process.
Professional results from first use.

Main Highlights

It's Edgy Crazy Color offers wild color palette for un-hinged results

Crazy Color Candy Floss Semi-Permanent Hair Dye. Highly Pigmented Pink Conditioning & Oil Nourishing Vegan Formula | No Bleach or Ammonia | Limited Edition 150ml Size

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Why We Love It

Intense pink color deposits gently.
Nourishing ingredients promote hair health.
Vegan and cruelty-free formula.

Main Highlights

LIMITED EDITION SIZE: The highly pigmented Candy Floss hair dye deposits an intense colour gently. Packed full of oils, our formula conditions as it delivers a deep Pink colour.
READY TO USE AT HOME: With no ammonia and bleach, you can achieve your 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 Candy Floss 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 PDP-Free, Gluten Free and Paraben Free!
MADE IN UK: Our Candy Floss formulas are made in the UK. Our semi-permanent shade promotes gentle hair colouring on bleached, pre-lightened and natural hair.

Crazy Color Semi-Permanent Hair Color Cream Caution UV 100 ml

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Why We Love It

Vibrant colours for unique looks.
Vegan and cruelty-free formula.
Long-lasting semi-permanent results.

Main Highlights

It’s time to put COLOUR IN YOUR HANDS with Crazy Color’s range of semi-permanent dyes, perfect for creating vibrant colour on bleached blonde hair

9.1

Superb

We scanned 758 products

We reviewed these offers relevant to the Bright Hair Dye Crazy Colours 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, Moon Glow, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Bright Hair Dye Crazy Colours in the market, we considered we took a deep dive into 3791 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 2x Crazy Color Semi-Permanent Hair Dye 2x 100ml (Fire Red). We love many things about this product by Crazy Color. What sets it apart from the competition is Striking vibrant look guaranteed, Gentle formula for bleached hair, Achieve dream red effortlessly.
The best value product for most shoppers and where user satisfaction is continuously the highest is Crazy Color Vibrant Orange Semi-Permanent Duo Hair Dye. Highly Pigmented Vibrant Copper Conditioning & Oil Nourishing Vegan Formula | No Bleach or Ammonia | 200ml by Crazy Color based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Bright Hair Dye Crazy Colours and the best cost-to-value ratio is Crazy Color Semi-Permanent Hair Color Cream Caution UV 100 mlat Crazy Color with a % discount.
Our list of the best Bright Hair Dye Crazy Colours 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 Bright Hair Dye Crazy Colours in The UK

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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

Crazy Color Vibrant Vermillion Red Semi-Permanent Hair Dye. Highly Pigmented Scarlet Red Conditioning & Oil Nourishing Vegan Formula | No Bleach or Ammonia | 100ml

Schwarzkopf LIVE Ultra Brights Or Pastels, Vibrant Semi-permanent Pink Hair Dye, Lasts Up to 15 Washes- Shocking Pink 093

Crazy Color Rebel UV Semi-Permanent Hair Dye. Highly Pigmented Neon Pink Conditioning & Oil Nourishing Vegan Formula | No Bleach or Ammonia | Limited Edition 150ml Size

Adore Shining Semi Permanent Hair Colour, 86 Raspberry Twist

Schwarzkopf LIVE Colour Drops, Vegan, Semi-permanent, Pink Hair Dye, Lasts 2 to 12 Washes, Petal Pink 30 ml

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

Crazy Color Lime Twist Semi-Permanent Hair Dye. Highly Pigmented Lime Green Conditioning & Oil Nourishing Vegan Formula | No Bleach or Ammonia | Limited Edition 150ml Size

Crazy Color Blue Jade Semi-Permanent Hair Dye. Highly Pigmented Teal Aquamarine Conditioning & Oil Nourishing Vegan Formula | No Bleach or Ammonia | Limited Edition 150ml Size

Crazy Color Peacock Blue Semi-Permanent Hair Dye. Highly Pigmented Teal Turquoise Conditioning & Oil Nourishing Vegan Formula | No Bleach or Ammonia | Limited Edition 150ml Size

We scanned 758 products

We concluded that: