Depending on its texture, eyeliner can be softly smudged or clearly defined. There are four main formulations available on the market: each produces a different effect.
Liquid eyeliner is an opaque liquid that usually comes in a small bottle and is applied with a tiny brush or felt applicator. It creates a sharp, precise line. Powder-based eye pencil is eyeliner in a wood pencil. It is generally available in dark matte shades.
An eye with brown eyeliner under the bottom lashes. Wax-based eye pencils are softer pencils and contain waxes that ease application. They come in a wide variety of intense colours as well as paler shades such as white or beige. Wax-based eyeliners can also come in a cone or a compact with brush applicator. Kohl eyeliner is a soft powder available in dark matte shades. It is most often used in black to outline the eyes. It comes in pencil, pressed powder, or loose powder form. Less commonly found is gel eye liner, which is a softer gel liner that can be easily applied with an eyeliner brush. It can be precisely applied and is much softer than Kohl.