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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 2623821
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
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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...
1169 results
Brow pencil
Reviewed at

Comments about ONYX
It's a pretty good brow pencil; however, The pencil does not last at all.
Shrinkflation - all packaging no product
Verified Reviewer
Reviewed at

Comments about TAUPE
I've been a dedicated purchaser of MAC Veluxe brow liner for years until it got discontinued. I could pencil in my brows daily and it would last for 6-9 months. This product is the same price, and same compound as far as I can tell (it feels identical) but you get 1/100 amount of usable product. I just ran out of the definer pencil after having ordered it less than 2 months ago. It's sold as mimicking individual hairs but you can easily mimic individuals hair with a sharp pencil so honestly this is just a rebrand to rip you off. The shrinkflation on this product makes me loose trust in the brand.
Shopping Around for a replacement
I have ALWAYS loved MAC eyebrow pencils but enough is enough. There is far lesa product causing me to replace far too often and on top of that is breaks easily when shading because its so thin! Spiked matches my brows perfectly but I cant replace tbis pencil every 3 weeks ans thata not even with daily use. Over it!
Need to find another eyebrow pencil...This is AWFUL!
I've been a loyal user of this eyebrow pencil for years and truly loved it, which is why I was so disappointed to see it replaced. MAC, I hope you'll take customer feedback into account here. This new version feels like a step back — it's much thinner, contains noticeably less product, and breaks easily, which leads to a lot of waste. I genuinely hope you'll consider bringing back the original or offering both options. Longtime customers like me would really appreciate it.
New and improved is not always so improved
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Reviewed at

Comments about STRUT
I really hate these new eyebrow pencils. I've been using MAC for 10+ years and always loved their brow pencils but the new thin easily breakable tip is just not it. I have started looking at other brands to use because of this. I really wish the old shape would come back. Losing customers over this change. My sis has switched too..The only good thing is the color.