Garnier Olia – The Best Box Hair Colour

Garnier Olia Hair Colour in Deep Cherry 3.6


I’ve tried pretty much every permanent box dye you can get from Boots and Superdrug and by far Garnier Olia beats them all. I recommend it to everyone looking for a hair colour to do at home. My mother-in-law who is very sensitive to lots of box dyes loves Garnier Olia too. Olia is a bit different from standard hair dyes as it uses oils to both intensify the colouring process and also nourish the hair.

I always do my hair colour at home now. Going to the hairdresser’s is difficult enough just to get a cut and I don’t think I could face the couple of hours getting my colour done too. My chronic pain makes a salon visit difficult but not only that I still get anxious going to the hairdresser’s. You may not know but I used to suffer agoraphobia pretty badly. I was in a serious car crash when I was younger which left me with severe anxiety. This went untreated thanks to my doctor at the time telling me I just had something on my mind! The panic attacks became so severe that unfortunately I became agoraphobic. The agoraphobia lasted around 10 hellish years but thankfully I can go most places relatively easily now but there’s some places, like the salon, that I still find a bit difficult. The thought of having to run out the salon half way through still gets the old anxiety going so I settle for a box dye. Gosh, that got a bit personal for a hair dye review but there you go.


I’m not entirely sure how much grey hair I have but my roots are very grey. And this is a major problem for a lot of box dyes. You get that dreaded “root glow” (my lovely hairdresser taught me that term) where the colour is super bright at the roots because of the colour difference between the grey roots and the rest of the hair. This happens a lot with other hair dyes but thankfully I don’t get this with Garnier Olia’s Deep Cherry. It blends really nicely with the rest of my hair, which is naturally dark brown. In fact, I’ve had lots of compliments from colourists at how nice my hair colour is, so that gives you some indication at how good a job Garnier Olia is doing.

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Application is straight forward. You mix up the developer cream with the colourant and give a good shake. You then apply the colour onto dry hair, starting with roots and do the rest last. The nozzle on the bottle makes precise application easy and the thick cream dye coats all the hairs thoroughly. This isn’t a messy dye, it doesn’t run down your face and wipes off the skin relatively easily. And thankfully the smell isn’t overpowering like some hair dyes can be.

Garnier Olia Hair Colour in Deep Cherry 3.6 in different light

I’ve tried to catch the colour in different lights so you can see how it changes


I leave the dye on for 30 minutes then rinse off. I always wash it too then add the conditioner. Because I have the colour Deep Cherry which is a beautiful dark cherry red it does take a bit longer to rinse out. I’ve also used another red and occasionally a brown which I think is called Frosted Brown and for some reason the reds always take longer to rinse. Once rinsed my hair doesn’t feel dry or straw-like. It feels in pretty good condition and there’s a really nice, healthy looking shine from it. I’d say Garnier Olia lasts around 4 weeks in my hair. I wash it every two days, so of course this will depend on your own hair and how often you wash it. The tube of conditioner is enough to use around once a week to freshen the colour for a month. Garnier Olia is a brilliant box dye, it is easy to apply with little mess, it blends beautifully and lasts really well ( and is also a fraction of the price of a colour at a hair salon).

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photo of Garnier Olia Hair Colour in Deep Cherry 3.6 results


Have you tried Garnier Olia or do you have a favourite at home hair dye?


(I also appeared in the advert for Garnier Olia Hair Colour in Deep Cherry 3.6 which you can read about it in my blog post here)


(this is an improved version of a previous review of Garnier Olia)



  1. June 23, 2016 / 8:23 pm

    Ahh thank you for this! Like two weeks ago my sister had a massive rant because she gets "root glow" so I'll point her in the direction of this. She is my little sister but my mum's side of the family all went white really early (some as young as 17 lol) so I'm sure she'll be glad to hear of this. 🙂

    • June 23, 2016 / 8:41 pm

      yeah I had greys from a really early age too. Some of the box dyes are absolutely awful for it but I havent had a problem with Garnier Olia yet but I do stay away from, the *really* bright reds. Unfortunately if you want to go really bright I think the hairdresser's might be the only option x

  2. June 26, 2016 / 5:29 pm

    I was discussing just this very ramble (the hairdresser as an anxiety-inducing place) at my own appointment yesterday! I'm lucky in that I've found a stylist and a salon in which I do feel completely comfortable, but it's taken me years to do so.

    Also: bearing this recommendation in mind next time I need a wash-out dye, as I really struggled to find something when I was looking a few weeks ago.

    Lis / last year's girl x

    • June 26, 2016 / 5:51 pm

      it's the one place I still have problems with, and flying too. Basically anywhere where I can't (or I dont feel I can) move or leave when I want. My hairdresser's pretty good too, he doesnt know about the anxiety yet but knows about my other health problems and he's very understanding xx

  3. July 6, 2016 / 12:12 am

    I was curious about this one when it first came out but haven't tried it because I heard a few horror stories about people's hair going strange colours. I've been through a few different brands of hair dye recently when I decided to go red for a while but the brand I always go back to is the Schwarzkopf (I'm not even sure if I've spelt that right!) Live XXL colours. Other brands always seem to fade so quickly (especially the reds) but these ones stick around well x

    Becky @ The Little Blog of Beauty

    • July 6, 2016 / 9:42 am

      I can't use the Live XXL ones anymore, I'm too grey 🙁

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