Garnier Olia 1.0 Deep Black Permanent Hair Dye


2 for €€18 on selected Garnier Olia


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Garnier Olia Permanent Hair Colour 1.0 Deep Black is part of the first oil-powered home hair colour range. A technology breakthrough, oil does more than condition; it actually boosts the colouring process. With 60% oils*, including natural flower oils.

The results:

  • Maximum colour performance - even without ammonia, a vivid permanent colour & perfect grey coverage
  • Improves the visible quality of hair – hair feels 35% softer, 17% shinier*  
  • A new sensorial experience – with a delicate floral fragrance, a non-drip texture and optimal scalp comfort.

*in the colourant cream

**instrumental test

How to use

"Test 48 hrs before use

With Olia, colouring your hair is easy and pleasant!

Instantly mix the developer and colourant cream in the Olia jar.

Apply the floral-fragranced mix.

Use the multi-application conditioner to keep your hair soft and shiny.

Please refer to full usage instructions included inside" more less

Delivery options

Order & Collect
€2.50 or free if you spend €25 or more from your choice of 85 Boots stores

Standard Delivery
€5 or free when you spend €50 or more

For more information see our delivery help or view our returns policy.

Garnier Olia Permanent Hair Colour 1.0 Deep Black 4.1 5 11 11
Best colour result ever, conditioner a bit rubbish Been using black dyes for ages and wanted to try this one because of it having no ammonia. Every other black dye I've used has faded quickly and never been what I wanted, but this colour is amazing hasn't faded at all, is really black, the colour is so deep and shiny, best result I've ever had. Only downside is that my hair felt a bit dry, don't care for the conditioner you get. But after the first wash I used my usual conditioner and it was perfect. Colour is sooo good, condition of my hair is better than its ever been. Definitely buy again, just not bother with the conditioner :D November 12, 2012
This is great but not for everyone. I used this product the last time I dyed my hair, intrigued by the no ammonia tag. It is great for a comfortable hair dying experience and the result was fantastic. So fantastic I would not use again.. The result was so black it actually put me off dying my hair black again. So if you're looking for a deep black then this is a great product, the colour has lasted since December on me, so now 2 months. However, if you have pale skin stay away! While other brands had flattered my pale skin, this just made the black look so unnatural. I would recommend this product to everyone but those with pale skin! February 12, 2014
Deep Black I couldn't work out if Deep Black was the darkest shade or not based on the pictures on the box but I went with this one over just Black, as it sounded darker lol. First off I did a patch test & that came out fine, no allergies. I found the developing cream tube to be time consuming to empty as every time I tapped the tube on the bottle I was emptying it into, more cream came out. I had to keep tapping for ages. It has a nice consistency once mixed and smells pleasant enough, it was easy to apply. After rinsing my hair and drying it, I found that it didn't seem to have touched my roots very well, and in some places looked wishy, washy with a brown tinge that was more like a very dark brown to natural black - not to blackest/raven black I was hoping for. The only positive element I found is that I had no tightness of the scalp or headache so the kind to scalp formula does work. All in all I was unimpressed with the colour quality so I wouldn't buy this again. July 27, 2014
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