Hourglass Mechanical Gel Eyeliner The 1.5-mm Hourglass Mechanical Gel Eyeliner ($18) is so thin, you'll be able to get the most precise line you've ever achieved. It's available in five transfer-proof colours, so you'll want to pick it up in every shade. Image Source: shop.nordstrom.com Hourglass Mechanical Gel Eyeliner $18 from shop.nordstrom.com Buy Now