A lightweight daily micro-dose retinol serum from Kiehl's designed to support skin renewal and reduce the look of fine lines and uneven texture. The silky, fast-absorbing texture suits morning or night routines and is aimed at those seeking gradual retinol benefits with minimal irritation. Notes on benefits, side effects and key ingredients help clarify its suitability.
Ingredient Safety
No risk5
Low risk36
Moderate risk1