Mermaid Hair Tutorial with Bleach London Hair Chalk | Pugs and Dinosaurs

I picked up some of the Bleach London colour chalks a while ago to try out when I can’t really be bothered to dye my hair properly (aka most of the time) and was surprised by just how good they are. So I thought I’d share a little review on the blog today.


I picked up the colour ‘Washed Up Mermaid’ today and thought I’d create a fun hair look, featuring that cool sea green as well as pinks and purples for a magical colour scheme. Here’s the end result:

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The colours complement each other wonderfully and it’s such a fun and easy way to add some colour to your hair. Here’s a quick how to, with some tips and tricks:

1 Style your hair 

My hair was already in a loose curl style today, which I thought worked well for the mermaidy vibes I was trying to create.


I use straighteners to create this tousled, curled look by simply taking strands of hair and pulling the straighteners down before twisting halfway and pulling to the end. It creates tight ringlets you can then gently comb out to create some body.

2 Choose your colours

As noted above, I went for three complementary colours to create this look but you can choose more or less if you fancy!


These hair chalks are £4.95 in Boots and come with a sharpener to keep them fresh for use. You’ll discover as you use them that your hair will create grooves in the chalk and this will potentially cause the coloured tips to snap off. You can remove this issue by being gentle when applying the colour but it’s pretty hard to do this and still get strong coverage.

3 Colour strand by strand 

Colouring in hair takes time, so choose smaller strands and ensure you get these completely covered before moving on.


To ensure I’m getting a good mix of colour throughout my hair I pin it up halfway.

4 Get colouring! 

Ensure you’re getting a good spread of colours by swapping between the chalks as you go. you don’t want big blocks of colour in one place!

You only need to colour the very ends, not the whole strand up to the roots. I usually avoid picking strands on the top of the head, choosing to just colour the tips of hair underneath my layers.



Gently brush your hair once you’re happy with the coverage and you’re done!

Here’s a few more pics of the finished look:

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The Big Pink is the best for a strong colour but Washed Up Mermaid is also a contender. I was expecting Bruised Violet to be a weaker shade but it does come out relatively strong.

These colours will fade faster than dye, especially if you touch your hair often, but they don’t really transfer onto clothes and can last up to 4 washes. Just be careful if you have bleached or damaged hair because green and blue based colours can stain this.

If you want to read about my experience with Bleach London’s dyes click here or here. I’ve also got a hair dying tips post, available to read here.

I hope this little hair update gives you some inspiration to try something new!


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