Keep your base fresh & perfected all-day with the Benefit Stay Flawless 15 Hour Primer, a glide-on makeup base for all skin types. The Benefit Stay Flawless 15 Hour Primer will prolong the longevity of your base, whilst enhancing the performance & coverage of your foundation. Invisible upon application, the primer stick will smooth skin, creating an excellent base for the next step in your makeup routine. Ideal for those with oily to combination skin, the Benefit Stay Flawless 15 Hour Primer will work like a magnet, keeping your base as flawless as it did at first application. Apply directly onto skin, then immediately apply foundation, blending together on the face.