Knight and Wilson PurePlex Hair Dye Review

Updated on October 31, 2019
BunnyClaws profile image

I've been an online writer for several years. My articles focus on a wide range of topics, including holidays.


OlaPlex is all the rage at the moment and everyone is talking about it, from beauty bloggers to hair care professionals—but with the expensive price tag attached, not everyone has been able to try the product for themselves. After hearing multiple positive reviews about this holy grail of hair care but not having the budget to see if it is truly as miraculous as everyone says, I decided to search for a more affordable alternative. While stalking Superdrug's website (again), I came across a new hair dye by a brand that I hadn't previously heard of, Knight and Wilson, who have created their own OlaPlex dupe formula which they have called PurePlex.

The Knight and Wilson PurePlex range aims to colour your hair while protecting against damage and breakage. It rebuilds the natural structure of your hair, leaving it stronger, healthier, and more voluminous. Sounds perfect, right?

This product was purchased by me and all opinions are my own and not sponsored by the company.


So Who Are Knight and Wilson?

Knight and Wilson are a relatively new company who's products are exclusive to Superdrug. Despite this they have already created a very unique colour shade range that would entice any hair dye addict. Whether bold and colouful is your thing or subtle and subdued I'm positive that they will have a hair colour for you.

Their goal is to create salon quality products for prices that suit everyone's budget so there's no need to worry about damage to your purse on this occasion. As if they couldn't get any better, they are also completely cruelty free and suitable for vegan's too.


Contents, Packaging, and Cost

The packaging of this product looks very professional and expensive, so it will probably surprise you to find out that the retail cost of this item is just £7.99, which in my opinion is a huge bargain especially in comparison to OlaPlex products.

Unlike the majority of dyes that come with three parts included (cream developer, colourant and a conditioning sachet), this dye comes with an added step, the bond reconstructing treatment. As well as this you have you are given instructions and gloves for safely applying the dye.


What Makes This Dye Different?

As mentioned above, this dye comes with an extra step in the hair colouring process that reconstructs the hairs bonds, adding to the overall health and strength of your hair. Besides this, Knight and Wilson PurePlex dye is full of ingredients that are actually beneficial to your hair like the Shea Butter and Argan Oil, which are included in the colouring formula and have amazing benefits to your hairs health.

Shea Butter for example is great for resolving scalp problems and is ideal for sensitive skin. Argain Oil is rich in vitamin E which contains antioxidants that encourage hair growth.


Would You Try Knight and Wilson's hair dyes?

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Having very long (waist length) and quite thick hair, I decided that two dyes would probably be necessary, although I later found the product to be rather generous with its contents and only ended up using one of the dyes.

After mixing the colourant and cream developer and applying the dye to my hair for the recommended time, I noted that the product smells like any other hair dye, though nowhere near as strong which was a pleasant surprise. The consistency is easy to work with and doesn't clump together or drip all over the floor like so many dyeing products do. The only issue I did have was with the dye bottle itself which strangely had three holes around the neck of the nozzle instead of just one main one on the end. This little surprise meant that some dye escaped onto the floor (no carpets thankfully so easy enough to clean) but it is something I will know to be cautious of for next time around.

After the processing time passed, it was time to rinse out the dye and coat my hair in the bond reconstructing treatment for 15 minutes which is a lovely, thick and creamy consistency smelling strongly of bananas which is then rinsed out and followed on by the conditioner.

The entire process was no more complex than any other hair dye that I have used in the past, and in total took just over an hour and a quarter to complete. It has left my hair feeling nourished and silky smooth and like I've just been to a hair salon.

While my hair colour didn't go exactly to plan (completely my own fault for not lightening my hair enough in the beginning and nothing to do with this dye at all), I am so impressed with how this dye has completely transformed the condition of my hair. Though my hair has ever been in what would be classed as bad condition, it was previously a little lacklustre and dry especially at the ends. Now it has a lovely shine and feels so healthy and strong. This dye is definitely going to be my go to colourant from now on and I'm looking forward to trying out more of their product in the future.

If you haven't already tried Knight and Wilson I strongly recommend that you do especially while it's currently on offer at Superdrug. Your hair will thank you!

When dyeing your hair, what colour do you go for?

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This content is accurate and true to the best of the author’s knowledge and is not meant to substitute for formal and individualized advice from a qualified professional.

Questions & Answers

  • Will Knight and Wilson pureplex hair dye cover greys?

    On the box it says it is intended to cover grey hairs as well, however I don't have experience with this myself so it would be a case of trying it out for yourself and seeing how things go.

  • Do I need to do a skin test before using Knight and Wilson Pureplex hair dye? Does it cause allergic reactions?

    All products reccomend that you conduct a patch test before completing a full application in case there is a reaction. I didn't have an allergic reaction to it whatsoever but that doesn't mean others won't.

© 2018 BunnyClaws


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    • profile image


      10 months ago

      I used lightest extra ash blonde and my hair has turned purple. Back to my old colour I’m afraid.

    • profile image


      15 months ago

      I used graphite grey on my hair and it didn't work can you please tell me why I did put it on blonde hair


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