Kiehl's Micro-Dose Retinol Serum offers targeted skin-renewal in a lightweight, fast-absorbing serum ideal for nightly use. It helps refine texture and promote smoother-looking skin without a heavy feel. Suitable for those easing into retinoids and for combination to oily skin types, the formula is presented as fragrance-free and designed for gradual skin tolerance.
Ingredient Safety
No risk5
Low risk37
Moderate risk1