Question: do kiehl's products contain retinol?
Answer: Most Retinol is stored in the skin in the form of Pro-Retinol. ... At the gentle yet effective concentration used in Kiehl's products, Pro-Retinol is suitable for many skin types and for use day or night. Gentle enough for the eye area, Pro-Retinol is ideal for use in formulas like our Youth Dose Eye Treatment.