A lightweight retinol serum from Kiehl's designed for daily use to support skin renewal and texture smoothing. The micro-dose formula delivers gradual retinol exposure for those easing into active treatments or maintaining retinol results. Smooth, fast-absorbing texture suits combination to oily skin and layered routines; ideal for users seeking targeted renewal without heavy emollients.
Ingredient Safety
No risk5
Low risk36
Moderate risk1