Use nightly for 6 weeks. Once desired result is achieved, apply 3-4 times a week for maintenance. The serum requires continued application to maintain the benefits of the serum. Warning: For external use only. It is important to use the serum as instructed so that it does not get into the eye. If the product comes into contact with the eye, immediatley rinse eyes thoroughly with water. If redness, irritation or other unwanted effects occur, stop using product immediately. Do not use on damaged or irritated skin. If pregnant or nursing, you can use our serum as the formula is clean and free from prostaglandin analogues - however, we always recommend consulting with your doctor before using any serums. Keep out of reach of children.