Revive7 Revitalizing Brow Serum is an award-winning and scientifically proven, plant-based formula that nourishes and strengthens brows to appear fuller, thicker and healthier in just 7-14 days when used twice daily. Application: Use morning and/or evening. Shake product before use. Apply a thin layer to the eyebrow area - it is important that the skin is clean and dry. Wait a moment before applying cream and makeup. Please note that results may vary.