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Nail Polish Thinner

Rated 4.8 out of 5
9 Reviews
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Nail polish thinner - 125ml / 4.2 fl.oz

We all do it. You leave the lid off your polish for a tad too long and dangit, now it’s gloopy. Nail Thinner to the rescue! Drop a small amount into the bottle, give it a shake and voila. Good. As. New. 

All Kester Black products are cruelty-free, vegan and carbon neutral. We’re also a Certified B Corp!

Made in Australia.

  • Revive your favourite nail polish by adding a few drops of thinner to the bottle. This will help restore its formulation back to its original condition.
  • Butyl Acetate, Ethyl Acetate.
average rating 4.8 out of 5
Based on 9 reviews
  • 5 Stars
    7 Reviews
  • 4 Stars
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  • 3 Stars
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100% of reviewers would recommend this product to a friend
Ease of Use
Rated 4 out of 5
Effectiveness
Rated 4 out of 5
9 Reviews
Reviewed by Paige, from Australia
Verified Buyer
I recommend this product
Age Range
35 - 44
Product Standouts
  • Ease of Application
  • Product Design
  • Quality
Rated 5 out of 5
Review posted

Works well

Great product just a few drops save my old nail polish :)

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Ease of Use
Rated 5 out of 5
Effectiveness
Rated 5 out of 5
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Reviewed by Emma S., from Australia
Verified Buyer
I recommend this product
Age Range
25 - 34
Product Standouts
  • Ease of Application
Rated 5 out of 5
Review posted

Does the trick!

Does exactly what it promised! I purchased this to thin out some other branded polishes (holo taco) that just didn’t have the staying power.

I’m not a scientist, so I’m not sure if it’s the nail polish, or the thinner, but when added to a clear top coat the end result looked very slightly cloudy in the bottle. The top coat still applied clear and glossy though.

The nozzle is the best part of this product - it’s so easy to use.

Note: I’ve had one Kester Black polish for almost two years and it doesn’t need the thinner.

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Ease of Use
Rated 5 out of 5
Effectiveness
Rated 5 out of 5
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Reviewed by Shelly, from Australia
Verified Buyer
I recommend this product
Age Range
25 - 34
Product Standouts
  • Ease of Application
  • Value
  • Quality
Rated 5 out of 5
Review posted

Just a few drops to thin out thickened polish.

You get a lot of thinner (125mL), but I've only needed to use a few drops to thin out some of my older polishes that have thickened over time. While they are formulated with the Kester Black polishes in mind, I didn't have any trouble thinning polish from other brands.

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Ease of Use
Rated 4 out of 5
Effectiveness
Rated 5 out of 5
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Reviewed by Lilian A., from Australia
Verified Buyer
I recommend this product
Age Range
35 - 44
Product Standouts
  • Ease of Application
Rated 5 out of 5
Review posted

Great!

Perfectly did the job of loosening up my nail polish!

And the product was delivered quick to my doorstep :)

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Ease of Use
Rated 5 out of 5
Effectiveness
Rated 5 out of 5
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Reviewed by Gabrielle R., from Australia
Verified Buyer
I recommend this product
Age Range
35 - 44
Product Standouts
  • Ease of Application
  • Product Design
  • Value
  • Quality
Rated 5 out of 5
Review posted

Magic!

I was dubious about this because other nail polish thinners I’ve tried in the past haven’t really worked, but I have so much faith in KB that I thought I’d give it a go. And it works! Just a couple of drops have given my Supersonic top coat new life, and made my glitter polish less gloopy. I’m so impressed!

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Ease of Use
Rated 5 out of 5
Effectiveness
Rated 5 out of 5
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