Kiehl's Vital Skin-Strengthening Super Serum is a lightweight, fast-absorbing serum that helps fortify the skin’s barrier and improve resilience. Its gel-serum texture layers well under moisturizers and suits normal to combination skin types seeking daily support. Non-greasy and quick to sink in, it’s intended for those aiming to boost hydration and overall skin strength in both AM and PM routines.
Ingredient Safety
No risk3
Low risk30
Moderate risk3