Wimper + Wenkbrauw Groeiserum

The castor oil base is thick enough that it stays put on my lash line overnight instead of running into my eyes. Three weeks in, my brows have tiny new hairs filling in the sparse spots. The glass tube applicator also makes it easy to get right at the roots.

The glass tube with the built-in applicator makes this stupidly easy to use before bed, no mess at all. I’ve got thicker, darker lashes after about six weeks, and the castor oil base feels nourishing rather than sticky.

Three weeks in and my lower lashes are finally visible without mascara—the glass tube with the built-in applicator makes it so easy to sweep the oil right at the root without wasting a drop. Even my brow hairs feel softer and less brittle since I've been dabbing the leftover serum on them each night