A lightweight micro-dose retinol serum from Kiehl's formulated with ceramides and peptide to support skin barrier and reduce fine lines. Silky, fast-absorbing texture suits daytime layering or evening use. Best for those starting retinol or with sensitive skin seeking gradual results; fragrance-free and designed to minimize irritation while delivering targeted anti-aging benefits.
Ingredient Safety
No risk5
Low risk36
Moderate risk1