*Formula penetration results based on a clinical study of 25 panelists
measuring the penetration of the full formula via tape stripping.
Our new Vital Skin-Strengthening Super Serum
is formulated with 11kDa hyaluronic acid to penetrate skin up to 8 surface layers deep.
This improves overall skin strength and resilience, which allows skin to better defend itself against the negative effects of skin-aging stressors for supple, bouncy and youthful skin.
The best anti-aging and hyaluronic acid face serums
work to correct and protect skin from early signs of aging. The result is strong, healthy skin that is better able to resist the effects of skin-aging stressors before they can cause skin to age. With micronized 11kDa hyaluronic acid and other powerful ingredients, Kiehl’s Vital Skin Strengthening Super Serum offers a multitude of benefits: fine lines are better prevented and reduced, your skin’s youthful radiance is boosted, and improved texture with smooth and supple skin.