SureThik Eyebrow Thickening Fibers Kit Review

Hello, hello!

As you all have probably heard me complain about my thin little brows, you will know that when SureThik reached out to me about testing out their Eyebrow Thickening Fibers, I was definitely interested!


WHAT IT IS: SureThik Eyebrow Thickening Fibers are a semi permanent eyebrow makeup, made from 100% Natural Keratin Fibers and 100% Natural Bees wax that bind to make even the thinnest eyebrows look naturally thick. Forget about messy gels and harsh looking pencils, our Eyebrow Fibers are long lasting and will give your brows effortless looking fullness. More natural and longer lasting than traditional eyebrow fillers or eyebrow powders and one of the only eyebrow thickeners that is water resistant.

SureThik Eyebrow Thickening Fibers

WHAT IT DOES: BUILD – DEFINE – THICKEN –  The Defining Bees Wax shapes and sets the brow while the 100% Natural Thickening Fibers add instant density, filling in any patchy or over plucked areas.

SureThik Eyebrow Thickening Fibers

I was sent the Eyebrow Thickening Fiber kit in the shade Dark Brown, but I was also sent the Brow Fibres in both Medium and Light Brown – all three work for me, it all depends on how dark I want my brows to look on any given day. The kit contains a jar of Defining Wax, a jar of Thickening Fibers (in one of four shades), a Dual Ended Applicator Brush. The kit itself also has a nice mirror in the lid.

SureThik Eyebrow Thickening Fibers

There is a slight learning curve to apply the Eyebrow Thickening Fibres, but with a steady hand and a little patience, it becomes easier and less messy to apply with practise. Here is the application instructions:

Step 1: Slide the angled end of the Applicator Brush over the Defining Wax. Evenly apply wax to the brow shaping as you go. Step 2: Dip the rounded end of the Applicator Brush into the Thickening Fibers. Gently dab onto your brows filling in sparse areas. Repeat Fiber application until desired fullness. Applicator Brush can be cleaned with warm water and shampoo. Rinse thoroughly and lay flat to dry.

SureThik Eyebrow Thickening Fibers

Key to applying the Fibers is to dab or pat them on, and not to “paint” them on as this will leave you with streaky / clumpy brows – which is what happened to me with my first application attempt!

I think that if you are skilled at using brush on brow powders or pomades, then this will be easy for you to use. If you are more used to using pencils, like me, it might take a little while to get the hang of application. As with any makeup application technique, with practise, you will improve!

As you can see in the photo below, the brow on the left is without the Eyebrow Thickening Powder and the one of the right is with the powder. [Sorry that the photo is weirdly cropped, my eyes have dreadful puffiness / circles as I’m still recovering from my cold. I will re-do this photo once I’m less sick looking!]

SureThik Eyebrow Thickening Fibers

SureThik® is a specialty range of products for weak and thinning hair. All of our products are free from harmful alcohol, sulfates and parabens. All products are developed, researched, formulated and made in Canada by SureThik Inc. [As well, they confirmed that they do not engage in animal testing!]

Thanks for reading and have a beautiful day!

Disclosure: In case you missed it at the beginning, this is a PR sample for testing and review purposes.


11 thoughts on “SureThik Eyebrow Thickening Fibers Kit Review

  1. My brows are the complete opposite of thin (on the verge of being Eugene Levy-esque if I didn’t stay on top of the situation!) but that thing does happen to me where I pluck below my brows constantly and the hairs just come back, but accidentally take off a bit, say, at the end of a brow or somewhere else you didn’t mean to, and it’ll take a decade to grow back. I find filling in those patches SUCH a pain – I wonder if this might work?

    Liked by 1 person

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