JML Simply Straight Review – Feat. Runaway Kiwi (and her hair!)

A few weeks ago I went to the launch of the newest exciting hair styling tool on the block: the JML Simply Straight Hair Straightener Brush*. As soon as I saw the brush, I had just the hair in mind for the ultimate test. Watch the video below to see my JML Simply Straight review!

JML Simply Straight Review

The concept is an bafflingly simple one (and makes you wonder why no one else has released a similar product), combining a hair brush and hair straighteners. The brush has ceramic coated bristles so that as you brush your hair, the hair is quickly and easily straightened. Genius!

My hair is naturally wavy, but I knew I needed a bigger challenge for my JML Simply Straight review. I immediately thought of Bex from RunawayKiwi, whose hair is absolutely amazing. Watch the video below to see how the JML Simply Straight Brush handled the curls!

Here are some shots of Bex half way through the review to show the amazing contrast:

JML Simply Straight ReviewJML Simply Straight Review

I also took some photos of my mum’s hair to include in this review – she has naturally curly hair but it’s thinner than Bex’s so I wanted some varied challenges!

JML Simply Straight Review

You can buy the brush from the following retailers: Direct from JML, Boots or Superdrug and it is £39.99 which I think is incredibly affordable for the quality of the brush and the results.

What do you think of my JML Simply Straight review? Are you tempted? Let me know in the comments below! If you haven’t subscribed to my YouTube channel, I would really appreciate it. Please click through to YouTube by clicking the video above if you would like to subscribe, you lovely LOVELY person!


*Provided as PR sample. Links may be affiliate. For more information please see the disclaimer tab at the top of the page.

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JML Simply Straight: review of the ceramic hair straightening brush, on the curliest hair I know!



  1. 3rd October 2016 / 10:25 am

    I don’t know why this doesn’t seem to work for me, my neighbour got me one and it really doesn’t do much to my hair, it’s so disappointing for me. I’m glad it works for some people though, the hair differences look great x

    • Lex
      4th October 2016 / 10:26 am

      That’s such a shame – maybe your one is faulty? Perhaps get in touch with JML x

  2. 3rd October 2016 / 12:18 pm

    I have to admit I was a little sceptical about this brush – but the results looks amazing! Thanks for sharing x

    • Lex
      4th October 2016 / 10:25 am

      I was exactly the same, I didn’t think the results would be this good!

  3. 3rd October 2016 / 1:48 pm

    I love my hair straightened but no matter what I try I am never truly happy (unless my hairdresser has done it), I have looked at these but thought they were a gimick but now I think I need to get some x

    • Lex
      4th October 2016 / 10:24 am

      I know what you mean, I hardly ever straighten my hair because I can never get it perfect. This helps to give an easy, but less high maintenance look!

  4. 3rd October 2016 / 1:52 pm

    I love mine, I was convinced it was a gimmick but it isn’t x

    • Lex
      4th October 2016 / 10:23 am

      Same! I was so surprised at the results 🙂

  5. 3rd October 2016 / 3:59 pm

    I have quite straight hair but I do get that unattractive style of bed head so this could be perfect for such smoothing things out. Fab post! Xx

    • Lex
      4th October 2016 / 10:23 am

      I get similar! I don’t know what I do overnight but I wake up looking bonkers! x

  6. 3rd October 2016 / 5:21 pm

    The results look great! I tried a similar brush earlier this year and it didn’t do a thing for my hair. I wonder if results vary by product.

    • Lex
      4th October 2016 / 10:20 am

      I’ve never tried another one so I can’t compare but this one seems to work brilliantly on all different types of hair. Very impressed!

  7. 3rd October 2016 / 6:37 pm

    Your before and after pictures look great. Thankfully i have straight hair but would definitely try it of i didnt x

    • Lex
      4th October 2016 / 10:15 am

      I find it so useful on frizz or just to tidy up my hair on a morning. Clever gadget for sure!

  8. 3rd October 2016 / 7:08 pm

    Oh wow this looks so good!
    Would be great for the days you’re in a rush 🙂

    Dani x

    • Lex
      4th October 2016 / 10:11 am

      I love it for when I’m on second day hair and just need a quick touch up – it’s just like brushing your hair! Total convert.

  9. 3rd October 2016 / 7:28 pm

    I’ve seen these and recently watched some youtube video’s as I also thought it was a gimmick but they really seem to work. Another gadget to add to my list.

    • Lex
      4th October 2016 / 10:06 am

      I was suspicious too, but was proved so wrong! Such a great little gadget 🙂

  10. 3rd October 2016 / 8:47 pm

    Wow what a difference it makes – I love how it doesn’t seem to be so harshly straight you still have some movement left. x

    • Lex
      4th October 2016 / 10:03 am

      I love that too, hair that’s poker straight can sometimes be too harsh, this still gives it some body x

  11. 3rd October 2016 / 8:54 pm

    Wow this really did the trick. It’s awesome that this straightener brush works so well! Very cool!

    • Lex
      4th October 2016 / 10:00 am

      We were just as surprised as you! So amazing 🙂

  12. 3rd October 2016 / 8:55 pm

    What an amazing result!! That’s impressive! I may need to try this for myself!

    • Lex
      4th October 2016 / 9:57 am

      Isn’t it amazing! I didn’t have high hopes for it standing up to Bex’s hair but it surprised me!

  13. Rhian Westbury
    3rd October 2016 / 9:02 pm

    I have seen these advertised but I thought without the clamp part you wouldn’t get hair as straight but you’ve proved my theory wrong x

    • Lex
      4th October 2016 / 9:51 am

      I thought the same! Still amazed that it works as well as it does 🙂

  14. The Kats Paws
    3rd October 2016 / 9:14 pm

    Oh wow! I have seen these advertised but it is always so much better to see real life results! Xx

    • Lex
      4th October 2016 / 9:50 am

      It’s hard to imagine how it would work at home from the adverts, I’m always a little bit suspicious!

  15. 3rd October 2016 / 9:27 pm

    Wow you can really tell the difference and the hair still looks bouncy afterwards which is brilliant. I might get one for myself!

    • Lex
      4th October 2016 / 9:44 am

      It gives a much more volumised finish than hair straighteners which I love. Such a good product!

  16. 3rd October 2016 / 10:28 pm

    Wow what a difference it looks great. I didn’t realise it worked so well.

    • Lex
      4th October 2016 / 9:27 am

      We were surprised as well! Such a clever little product.

  17. Lilinha Espindula
    3rd October 2016 / 11:06 pm

    Fantastic, the difference is very noticeable! I will check it out! 🙂

    • Lex
      4th October 2016 / 9:26 am

      It’s crazy isn’t it? Neither of us could believe it!

  18. 4th October 2016 / 10:36 am

    The results look amazing ive seen these around but not been sure about buying one

  19. 4th October 2016 / 3:36 pm

    That thumbnail is great, what a testament to the product!

  20. Jemma @ Celery and Cupcakes
    5th October 2016 / 9:40 am

    How quick and easy! I need this in my life.

  21. fashionmommywm
    5th October 2016 / 10:25 am

    Those results are amazing, I saw someone on twitter who had used this and couldn’t believe how straight it made the hair.

  22. nicol
    5th October 2016 / 10:26 am

    ive seen these everywhere and totally wish they released it years ago! would have saved a lot of time getting ready

  23. JessicaLouise (@JessycaLouise)
    5th October 2016 / 1:45 pm

    I have heard so many great things about this product, I need to give it a go.

  24. 5th October 2016 / 3:55 pm

    My hair is really curly similar to Bex so its good to see results like that. I think I will put this on my Christmas wish list

  25. TheLondonMum
    5th October 2016 / 10:40 pm

    Oh wow!! I seriously need that brush in my life!

  26. 6th October 2016 / 7:04 am

    This brush straightner looks amazing, I would love to try this one on my hair.

  27. 6th October 2016 / 8:03 pm

    If I hadn’t cut off all my hair recently then I’d definitely have been after some of these!

  28. 7th October 2016 / 11:52 am

    Wow, I really didn’t expect this to work so well! I’m impressed.

    • Lex
      24th October 2016 / 5:57 pm

      I was amazed too! Such an impressive product 🙂

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