Step 1: Use the darker shade to outline the brow.
Step 2: Use the lighter shade to fill in the area between the two lines. Use a brush to blend the two shades.

ISODODECANE, CYCLOPENTASILOXANE, TRIMETHYLSILOXYSILICATE, C30-45 ALKYL DIMETHICONE, ALUMINUM STARCH OCTENYLSUCCINATE, BUTYL ACRYLATE/HYDROXYPROPYL DIMETHICONE ACRYLATE COPOLYMER, EUPHORBIA CERIFERA (CANDELILLA) WAX, SYNTHETIC WAX, TRIMETHYLSILOXYPHENYL DIMETHICONE, DISTEARDIMONIUM HECTORITE, C30-45 ALKYL METHICONE, C30-45 OLEFIN, AQUA (WATER), PROPYLENE CARBONATE, BENZYL ALCOHOL, CI 77491, CI 77492, CI 77499 (IRON OXIDES), CI 77891 (TITANIUM DIOXIDE). AND/UND ISODODECANE, CYCLOPENTASILOXANE, C30-45 ALKYL DIMETHICONE, TRIMETHYLSILOXYSILICATE, ALUMINUM STARCH OCTENYLSUCCINATE, BUTYL ACRYLATE/HYDROXYPROPYL DIMETHICONE ACRYLATE COPOLYMER, SYNTHETIC WAX, TRIMETHYLSILOXYPHENYL DIMETHICONE, EUPHORBIA CERIFERA (CANDELILLA) WAX, DISTEARDIMONIUM HECTORITE, C30-45 ALKYL METHICONE, C30-45 OLEFIN, AQUA (WATER), PROPYLENE CARBONATE, BENZYL ALCOHOL, CI 77491, CI 77492, CI 77499 (IRON OXIDES), CI 77891 (TITANIUM DIOXIDE).