Click "continued" for photos.

Pros:
- absolutely water-, budge-, fade-proof
- fine tip maintains its shape well, it took my first one almost a year before the fiber on the tip gave out and got the 'split end' look
- tip has just the right degree of firmness, making application easy - not so stiff that the line looks rigid, or so flimsy that you can't get the line exactly where you want it to be
- ink lasts for a long time, the tip actually splits before the ink runs out
- quite inexpensive (~US$10) even taking shipping into consideration (I get mine from online), comparable to a Revlon liquid liner.

Cons:
- only place I can find it is online (adambeauty)



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I love this eyeliner. I've tried Revlon's colorstay eyeliner and I like Kate so much better. The eyeliner looks scarily sharp and fine at first but it's so easy to use. (I got it right the first time!) I draw a fine line and it doesn't smudge or smear, although if it's too wet and i blink, it gets on the skin of my upper eyelid. I will keep buying it. I have it in brown and it looks great and isn't too dramatic.

I have the Kate Supersharp eyeliner in Black and Dark Brown.

Pros:
+ Very easy to use, easier than a gel liner since you gotta have a good brush to go with those and less tugging than a pencil.
+ Black draws a nice defined black line (not glossy black though) and Dark brown draws a medium brown line.
+Wear is very good for me if I don't rub my eyes. It is not a waterproof eyeliner but it doesn't smear on my oily lids.
+Cheap at only USD 10-14.

Cons
+ Dark brown isn't as dark I would like
+ If I rub my eyes it will fade
+Can leave a faint stain on the skin unless you use eye makeup remover

I have this eyeliner in BR-1. This is my first time using brown and liquid liners; in the past I've only tried black eyeliners in pencil/gel form.


Performance: The brush is very thin so the line that comes out is also very thin. I'm not used to such a thin line but I can get used to it, although I prefer thicker lines and it is very hard to achieve without making a mess using such a fine brush. The ink sometimes does not flow smoothly, so sometimes in the middle of drawing the ink wouldn't flow out and I have to wait a bit before continuing. The brown is also quite faint and not very pigmented. Most of the time it looks like I have no eyeliner on, which is good for natural looks but I prefer having my eyeliner show a little bit, otherwise what's the point of using it? I'm not sure if it's just the brown version, although other reviews have mentioned the black version is not dark enough.


Staying Power: It has a mediocre staying power, and would not last through a long day. I was surprised that there was hardly any smudging or transfer to my bottom lids as with other eyeliners, but instead the colour fades with time. The lack of smudging is good, but I wish it would not fade. Maybe this has to do with my oily eyelids. As for removal, I don't have a problem with it, although at the end of the day usually there isn't much product left to remove anyway.


Overall: I like the pen form because it is convenient, especially in the morning, but I wish the colour would be bolder and staying power would be better. I think I will keep looking for a better eyeliner. continued >>

Best eyeliner ever.
I have inner eyelid, so I cannot use eye pencil. I tried a few liquid eyeliners. This one is the best. I will keep buying it.
It's very easy to use, very sharp(soft brush tho). The color isnt very black, however, you can draw a few times, then it will be very black.
It dries quickly,too. The trick is not to blink your eye before it dries and make sure you put some eyeshadow on it. in this way, it looks more nature and stays on longer.

Price: SGD$15 (Affordable)
What shade I tried: BK-1 & BR-1
Colours: First apply of BK-1, the colour is not black. I have to apply 2-3 times to get the intensity. BR-1 gives a soft & natural look. The colours is matte.

PROS: Its easy to control & apply. It like using a pen to draw eyeliner. It stays on all day for me. The brush tip is very fine. It doesn't smudge at all! Great for beginners! =)

CONS: Its hard to remove even though this liner is not waterproof. I had tried remove with cleansing oil & waterpoof eye makeup remover. It will leaves a print. This is the reason why I give it 4.

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LOVE this!! This is the first time I've used liquid eyeliner and it didn't even take that much practice for me to be able to use this product well.

The tip is very soft but easy to control so you do get a very sharp and precise line. This would be great for doing the bottom of your eyes because the tip is so fine.

It stays on all day for me and I have fairly oily lids, especially during humid summers!

I'm a huge Kate fan and have been pleased with all their products that I have tried. Will definitely keep buying this until they come up with a better product.

I had such high hopes for this product based on the reviews. First the good: It is incredibly easy to use, especially for a liquid liner. And this was my first time using one too. It is inexpensive (10 USD approximately) and I like the very fine brush tip which makes it easy to do the natural tightlined look (the ink is a faint black too, rather than an obvious super saturated black). The bad: I don't usually wear eyeliner bc it tends to smear all over my oily lids. While it is less obvious with this liner than some other products I've used (only smudges on my top lid whereas other liners leave my bottom lid smudged even though I did not apply it there), it nevertheless still happens. I also noticed it fades quite a bit. And by the end of the day when its cleansing time, I don't even bother with eye makeup remover or cleansing oil on my lids bc it washes off easily (sadly no tattoo qualities on my greasy lids). I do love the natural look it gives and how easy it is to use, so I will finish this product. But I will sadly have to continue looking for an HG liner.

Kate super sharp liner is a easy to use and value for money liner. The tip of the liner is soft and yet firm so it's easy to control when drawing on eyes. The "ink" from the liner is always just right and doesn't leak. The colour of the liner is very soft (not pigmented), so if you need a darker colour, you will just need to draw on a few more times to get the intensity you want. It gives you a very natural look on the eyes as the line drawn is very fine and soft. Good for everyday use.

I was a little disappointed with this after reading all the great reviews. If you are looking for a pen liner with a firm tip - this is not the one. I tightline my upper lashline with pen liners by "dotting" in between the lashes with the tip - I found the ink did not flow that well and needed to repeat over the same spot to get adequate coverage, so it was taking me more time to finish my eyes. This is where the soft tip was not the best either as it was bending too much. I found the tip has a tendency to dry out.....Perhaps I got one from a bad batch? I prefer my Sana Maikohan pen liner which has a firmer tip and has easy flowing ink