Kiehl's Age Defender Power Serum targets visible signs of aging with a smoothing, fast-absorbing serum texture that layers well under moisturizers. Formulated for mature or combination skin types seeking firmer-looking skin, it feels weightless and is suitable for daytime or nighttime routines. Often found in fragrance-free and dermatologist-tested lines, the serum emphasizes targeted tone and texture improvement.
Ingredient Safety
No risk2
Low risk22
Moderate risk3