9 out of 10 users see visible results with daily use of Kiehl’s effective anti-aging serum with retinol. Retinol is known to visibly reduce wrinkles, refine skin texture and firm skin. Each pump dispenses a small amount of Retinol Skin-Renewing Micro-Dose Serum. It maximizes the benefits of retinol while minimizing discomfort. Kiehl’s pairs retinol with nourishing peptides and strengthening ceramides to fortify skin’s barrier function and make skin prepared for retinol. The results? Visibly renewed and improved skin structure without any discomfort.Retinol speeds up the cell turnover of the skin surface for a visibly renewed skin structure and reduces visible signs of aging.Peptides nourish, help to improve skin surface and strengthen skin when used with retinol serums.Ceramides are a type of lipids that naturally occur in both skin and hair. Ceramides strengthen your skin barrier and improve your skin when applying retinol.How to use:Pump once to get the perfect amount of Retinol Skin-Renewing Daily Micro-Dose Serum.Apply all over your face after cleansing.Avoid the immediate eye area.Kiehl’s anti-age serum with retinol is formulated for use in the morning or evening.Add this efficient anti-aging serum to your skincare routine after cleansing and before applying moisturizer for visibly replenished and improved skin.For a complete skincare routine that targets aging signs, this serum can be used together with Kiehl’s Super Multi-Corrective Cream and our sun protection – a highly effective anti-aging trio.Can be used with other serums from Kiehl’s: Clearly Corrective Dark Spot Solution, Powerful Strength Line Reducing Concentrate, Vital Skin-Strengthening Super Serum and Hydro-Plumping Skin-Retexturizing Serum.50 ml Kiehl’s Retinol Daily Micro-Dose Treatment 50 ml