A concealer can do wonders if you're tired of having dark rings under your eyes. This concealer has an easy-to-use applicator brush.
From Amazon
L'Oréal Paris Infallible 24H More Than Concealer, Full-coverage, Longwear and Matte Finish, 320 Porcelain
Luxplus
L'Oréal Paris Infaillible More Than Concealer 320 Porcelain 11 ml