The Stila stay all day liner has been my go to for about 2 years now. I don't do cateyes that often these days because I am quite busy but this liner gives me the best results in the shortest amount of time.
I used to really hate felt tip liners and was using gel liner which got messy and took forever. But once I got used to this I feel like a pro, what used to be 20 minutes of trying to perfect a wing now takes tops 5 minutes.
My only issue with this is that if I dont use a primer it will begin to fade and more recently my lids have been especially oily making it fade if I wear it for longer than 6 hours.

A great, long-lasting liquid eye liner. I have hooded eyes and oily eyelids therefore many eye liners leave me with raccoon eyes after a few hours, but this liner sets quickly and lasts most of the day (12+ hours) with little need for touch-up. If set with a little bit of eye shadow, it lasts even longer without smudging off, which is great for evenings out.

The soft pen tip gives good control so you can make the line as thick or thin as you desire, and the liner flows out nicely making for clean lines. The price point of this item is definitely on the pricey side, but personally I find it a good investment for what I get out of it. I also find that it does not dry out as quickly as other higher priced liners I've tried.

Quick Recap

PROS:
• long-lasting
• sets quickly
• clean lines
• does not dry out quickly

CONS:
• not budget friendly/expensive

I really liked this liner the first time I bought it. It lasted me quite a while and didn't dry out. It glides on very smoothly and stays put all day. My only problem with this is that it has a shine to it. I might still buy it the next time because it's so easy to use and works well but if there's a matte alternative, I'd definitely want to try that.

This was a really good eyeliner. It was great at first, when the ink was dark and full black, but as I've used it over the course of 2 months it has become less black - more thin, giving it a more greay appearance.
But in the first few uses- it was amazing. Bold, can make thin lines, easy to apply.

Best liquid eyeliner I have tried! Long lasting with no bleeding plus the color payoff is great

They definitely named this product right! The liner stays on no matter if I use primer or not. I have oily lids and generally have trouble finding a liquid liner that stays in place all day, but this definitely works well!

good finishing and getup. satisfied

i have been trying to find a liquid eyeliner to replace a product i previousely but have been unable to with satisfying results. this product looks like something that will meet my needs despite its cost which i find somewhat expensive. the reality for some women like myself that a top of the market liner means less food on the table. this looks like it will be worth saving up for and may be money well spent.

A bit pricey but excellent works wonders and lives up to its name. My new go to liner :)

Great liner, makes great wings! Glides on easily and does not crap out half way through drawing on your wings.