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Summary
Pro Brow Definer 1MM-Tip Brow Pencil by MAC, a pin-thin 24HR brow definer that delivers natural high definition, hair-like strokes with a water- and smudge-proof formula for 24 hour wear. Our finest brow definer featuring 14 shades with true colour payoff that serve up fuller-looking brows all day.
Benefits
- Long-wearing, 24 hours
- Waterproof
- Smudge-proof, color-true and non-fading, 24 hours
- Transfer-resistant
- Dual-ended 1mm precision tip and spoolie
- 14 true-to-you shades
Key Ingredients
- Unique blend of carnauba wax, castor, argan & coconut oils: Help pigments glide on to resist tugging and breakage
Apply the eyebrow pencil using small, quick strokes in the direction of natural hair growth to fill in and shape for a naturally defined look.
The 1mm precision tip mimics the look of natural hair.
Blend pigment with the spoolie end for a seamless diffused finish.
Hydrogenated Soybean Oil, Hydrogenated Coco-Glycerides, Zinc Stearate, Hydrogenated Vegetable Oil, Rhus Verniciflua Peel Wax, Copernicia Cerifera (Carnauba) Wax\ Copernicia Cerifera Cera \Cire De Carnauba, Caprylic/Capric Glycerides, Argania Spinosa Kernel Oil, Cocos Nucifera (Coconut) Oil, Hydrogenated Castor Oil, Tocopherol, [+/- Titanium Dioxide (CI 77891), Iron Oxides (CI 77491), Iron Oxides (CI 77492), Iron Oxides (CI 77499), Blue 1 Lake (CI 42090), Yellow 5 Lake (CI 19140)]
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Reviews
Write A REVIEWReview Snapshot
by PowerReviews
Ratings Distribution
Best Uses
- 5Eyebrows
- 4Everyday
- 3Natural look
- 2Brows
- 2Natural Look
Describe Yourself
- 2Brown eyes
- 2Makeup lover
- 2Natural look
- 2Makeup enthusiast
- 2MAC lover
Most Helpful Positive Review
MAC Pro Brow Definer
The MAC Pro Brow Definer is a game-changer for achieving perfectly sculpted brows. Its precise tip allows for effortless application, helping to define and shape brows with ease. Compared to other brow products I've tried, the MAC Pro Brow Definer stands out for its precise application and long-las...
Most Helpful Critical Review
Great design unimpressed with formulation
Overall, I was unimpressed with this product. The formulation was underwhelming and a bit drying, not harsh but also not the satin feel I prefer. The neutral color hardly showed up on my skin. It was not pigmented enough in my opinion, at least not for deeper tone skin. Maybe this may work on fair s...
1077 results
Why would you mess with perfection?
Verified Reviewer
Reviewed at

Comments about STUD
I have been using this eyebrow pencil for well over a decade and it was perfect. This new reformulated pencil is absolutely terrible! 1. Original pencil was 0.003oz vs 0.001oz with the new pencil and the price went UP?! 2. The thin tip breaks very easily and several times during application, no matter how little pressure you apply. So with the decrease in product and the consistent breaking you run out of product extremely quickly. Im talking a matter of weeks vs months with the old pencil. 3. New formulation is absolutely NOT smudge proof and does not last. You added multiple oils to this formulation, the old formulation performed much better. I am now on the hunt for a new eyebrow pencil, I will never repurchase this product. Please bring back the original formula and pencil!
Shrink-flation! Where is the eyebrow STYLER?
They took the perfectly good MAC Eye Brow Styler and packaged it into a much smaller size (1 mm-Tip) for the same price that the MAC Eyebrow Styler use to be. Now this product runs out much too quickly.

Why change a good thing
Reviewed at

Comments about SPIKED
I have been wearing Mac since college and the spiked eye brow pencil was always my go to. I truly dont understand why they would change the formula and pencil style all together. The pencil would last me months and now I barely can get 2 weeks out of this thin mess. To make it thinner, take away half the product by adding a brush to the end and steady increase the price, what a thieving conniving thing to do. If it werent for Ruby Woo and Diva lipsticks I wouldnt even recommend Mac! SHAME
Fantastic Fine Tip Brow Pencil
I love this brow Pencil. Truly one of my favorites second only to the Kosas Brow Pop Nano. Excellent for filling in or even creating brow hairs depending on how sparce your brow hairs are. I use the Benefit Brow Pencil for shaping and this one and the Kosas for filling in space hairs. Love it. I have not experiencing any breaking with this one and I've re-ordered it at least 6 times at this point. It is nothing like the Huda one that would break at every tiny bit of pressure and use. Highly Recommend this one. I use Taupe and love the color and the formula that stays on all day.
Brow goals but not lasting!
Reviewed at

Comments about BRUNETTE
I've been using this brow pencil for a while now, and I have to say, the formula is amazing! It glides on smoothly, very easy to use and it's long-lasting. The brow definition it provides is on point. However, one major drawback is the pencil's length - it's just too short! I was able to use it only for a month and mind you, I wasn't even using it everyday. I would only use it 2-3x a week. Given its performance, I'd love to see a longer-lasting version. Despite the short lifespan, I'd still recommend this to those who want a great brow look? Just don't be disappointed if it quickly runs out. 🤭 3/5 stars for now, hoping they'll address the length issue in future batches.