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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
Item 2623824
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)]
This brand is excluded from most Ulta Beauty coupons.
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Reviews
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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
Bring Back the Old One
I don't know why Mac decided to change this product?!?! This was my go to product for my eyebrows. I would draw in my eyebrows everyday using this pencil, or use it here and there when needed. It was a PERFECT pencil. I have blonde hair, shave my face, including my eyebrows. I do have my eyebro...
1217 results
Love The Old MAC Pro Brow Definer Pencil
I have been using the MAC Pro Brow Definer Pencil for many years. It has always been exceptional until recently. Now, there is less product in the pencil and it breaks even with the lightest touch. I find myself having to purchase new ones frequently. I have contacted MAC without any success of them resolving the issue.
A little goes a long way
Verified Reviewer
Reviewed at

Comments about STUD
I love how skinny this pencil is- allows more precision with application. Must use a light hand with this product though- if used right this pencil will last forever. Well worth the price.
Terrible product
Breaks way too easily!! I was out of my last MAC brow pencil and saw they replace it with this version. What a MISTAKE! It lasted literally 4 days…. Don't buy this.
not as good as the original
it constantly breaks as using, a ton of waste. I've given this a ton of chances but every one I buy is the same.
Bring back the old version!
Reviewed at

Comments about SPIKED
I NEVER leave reviews - positive or negative. However, this product requires an exception. I loved the old brow styler and tip in Stud. Used it for years and years and years. However, used the last of my old version and got out the new 1 mm tip - and I'm so disappointed. It kept breaking during application - and doesn't glide and fill anywhere near like the old version. I'm begging you MAC, please bring back the old version!! I will be switching exclusively to the Dior brow styler until MAC can bring back a quality version of this product. Very, very, very disappointing. Don't buy. You'll be disappointed as well based on quality vs cost.