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I Saw Red Semi-Permanent Dye

Bright red conditioning and vegan, semi-permanent hair dye 150ml
4.4 (33 reviews)
What it does

I Saw Red is a conditioning semi-permanent hair dye that transforms hair into a vibrant, fire-engine red which lasts between 3-30 washes.

Developed by international fashion colourist Alex Brownsell and used at out award-winning salons in London and LA.

Formulated without Bleach, Peroxide or Ammonia.

Vegan and Peta-Approved.

Who it's for

Our gentle, semi-permanent hair dyes are for all hair types!

Use on lighter hair for fuller coverage, or on darker hair for a glossy tint. It also covers faded colour effectively.

For more vivid result use on bleach blonde hair.

What's in the box

1x Bottle of 150ml Semi-Permanent Hair Dye

How much one kit covers

One box is suitable for short hair or colouring freshly bleached and toned roots.

For shoulder length hair you'll need two bottles.

For long hair that's below your shoulders, you'll need three to four bottles. If your hair is very thick we recommend adding an extra bottle.

4.4
Average score from 33 reviews
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REVIEWS
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16th October 2025

Great x

Gotten so many compliments, works so well on bleached hair. Not a orangey red more pinky / cooler tones to it , Which is amazing

Faith N.

Hair Type: Wavy

Natural Hair Color: Light Blonde

15th October 2025

Bold colour without commitment

I fancied trying a red but didn’t want to make a permanent change. I just love this colour! I was surprised at how vivid and bright the colour is for a semi-permanent dye. I’ve bought more as I love it so much. ❤️

Laura P.

Hair Type: Straight

Natural Hair Color: Strawberry Blonde

5th August 2025

lwk a waste💔

I washed it ONCE (with cold water) and it was gone like hello??😭 it was a nice colour before it washed out tho:woman-shrugging:

frankie

Hair Type: Straight

Natural Hair Color: Dark brown

26th June 2025

Couleur vibrante et facile à appliquer

J'adore!

Marie L.

Hair Type: Straight

Natural Hair Color: Mid to light brown

10th June 2025

Decent

Left hair feeling healthy, very subtle look on darker hair

Tafath M.

Hair Type: Wavy

Natural Hair Color: Dark brown

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How to Guides
How to do hair art on buzzed hair
How to do hair art on buzzed hair
Step-by-step guide from our expert stylists on how to add hair art and colour spots to buzzed blonde hair
How to bleach a money piece at home
How to bleach a money piece at home
Step-by-step guide from our expert stylists on how to bleach and tone your fringe at home.
How to bleach & tone a buzzcut
How to bleach & tone a buzzcut
Step-by-step guide from our expert stylists on how to bleach and tone buzzed hair at home
How to bleach and tone a full head from dark brown to blonde.
How to bleach and tone a full head from dark brown to blonde.
Step-by-step guide from our expert stylists on how to bleach and tone a full head of dark hair to blonde at home.