Blend concealer over any darkness under the eyes, using a brush to get right up to the lashline and into the inner corners. The concealer should be one shade lighter than the foundation.
Valerie Monroe, beauty director at O Magazine, answers your most asked beauty questions.
The Petit Family Foundation honors the memories of Jennifer, Hayley and Michaela Petit by continuing the kindness, idealism and activism that defined their lives.
O's Staffers take your beauty questions
Our beauty editor, Jenny Bailly, tries on a made-to-measure foundation.