Sunscreen - Apply the equivalent of 2 finger-lengths on your face and neck 15 minutes before sun exposure. During sun exposure, reapply after 40 minutes of swimming or sweating, immediately after towel drying and at least every 2 hours. Mineral Brush- Lower the transparent cover. Remove the rubber band prime the brush in circular motions on the back of the hand to ensure the powder begins to flow. Before face application, tap the brush twice against the back of hand to avoid an excess amount of powder being applied. Apply the brush in circular motions to ensure the correct amount of powder is released. Sweep the brush evenly and generously over the entire face and sun exposed areas (neck, chest and back of hands).