Product Review: MAC Pro Longwear Fluidline in Blacktrack

Another week, another MAC product review. What can I say? They make good makeup.

I’ve been using MAC Pro Longwear Fluidline in Blacktrack, a flat black gel eyeliner, for years, so I was surprised to find that I hadn’t done a post about it. It’s a pro makeup artist fave and every MUA I know has it in their kit.

The Fluidline liners come in a little glass jar with a black top. A word to the wise with any gel eyeliners or cream shadows that come in similar packaging–once air gets into the jar for too long, the product will dry out and become useless. So make sure you close the lid tightly after using, unless you like to be wasteful. A tiny bit of gel liner goes a long way, so this little jar should last you a while if you keep the lid closed tightly.

The most hygienic way to use a gel liner is to scrape some out with a clean spatula, put it on a palette and use a fine liner brush to apply it. That’s the way I do it 100% of the time for clients, absolutely no exceptions. But most non-pro’s will dip directly into the jar with a brush, load the brush up with liner then apply. This will not only usually give you more product than you need (and good luck coming back from a too-thick line of gel liner), but unless your brush is always sanitized and you don’t double dip, it means you are transferring the bacteria from your lid into the product. And guess what happens when you securely close the lid, as you have been taught, after that? I’m not saying anything bad about bacteria molecules’ lifestyles, as they can be with whoever they want, but these gals and guys get down, and they multiply in that dark, enclosed environment. So if you double dip and/or use a dirty eyeliner brush, the next time you use your gel liner, say hello to their (millions) of little friends, who are now going to live on your eyelids and lash roots.

But let’s pretend you are applying your gel liner correctly. Fluidline liners are great because they can give you a very defined look or a soft focus look, depending on how you apply. You can get a graphic, liquid liner type of look if you apply it perfectly then let it set (dry). Or you can apply a thin line then pull it up with angled brush before it sets, diffusing it but still keeping definition. That is my favorite way to use Blacktrack, as soft focus is generally more appropriate for the type of makeup I do. I then usually top the liner with black eyeshadow to give it more intensity with the blackness without making it too harsh.

Blacktrack is definitely black, but it’s a soft black, which I like. I’d rather have the option to make it more black with shadow than have it look too harsh, which is how an intense black liner can look on those with lighter coloring.

Some gel eyeliners (honestly, usually the cheap ones) are not very pigmented, so not only will you have to apply a few layers to get the color payoff you want, but you’ll see a kind of watered down or patchy looking line if you draw it on thick. Blacktrack won’t do you like that. The pigment is there and you’ll get a consistent line as long as your brush is properly coated.

I used Blacktrack on this beautiful bride then traced over it with black eyeshadow. Photo: Sarah Bastille Photography

Fluidline in Blacktrack is one of the staples in my kit, and I think it has a place in everyone’s kit or personal makeup bag. But what do I know? I’ve only been doing this for over a decade…

Have a beautiful day 🙂


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