Product details:Introducing the Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum. A Facial Serum That Visibly Renews Skin, Formulated For All Skin Types With A Daily-Strength Retinol Suitable Even For Sensitive Skin And First-Time Retinol Users. 50Ml Skin Type: All Skin Types Concern: Anti Ageing Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum