Apply daily on cleansed face, eye area and neck. Smooth 1-2 drops of serum evenly in gentle massaging strokes until fully absorbed. Follow with moisturizer. Use a Broad Spectrum SPF30 sunscreen or higher in the day. For Retinol beginners, gradually phase retinol into your skincare routine, start with 2-3 uses a week for the first 3 weeks, working up to daily use as tolerated.