Every day skin comes into contact with stressors
that can lead to visible signs of aging like
fine lines and dullness.
Lack of Sleep
Our NEW lightweight multi-benefit serum strengthens skin from
within to visibly correct and protect against signs of aging caused
by internal and external stressors.
Kiehl's Scientists created a unique Skin Strength Index
through a specially designed clinical protocol. Our index is based on
a composite average score of the following clinical parameters:
*Results based on a 4-week clinical & consumer study on 58 Asian subjects living in a polluted, urban environment. Stronger skin results based on skin strength index = composite average score of skin suppleness, plumpness and resiliency.
*Formula penetration results based on a clinical study of
25 panelists measuring the penetration of the full formula
via tape stripping.
A blend of:
*Results based on the inhibition potential of sebum peroxidation
compared to untreated skin using a polluted model consisting of
UV and cigarette smoke.
Loved this product! Did an amazing job and made my skin look stronger and healthier for sure.
My skin is more resilient and more radiant
Very lightweight texture, easily absorbed and doesn't feel oily on the skin. Highly recommended!
After cleansing and toning, apply 2 pumps onto fingertips & gently pat into skin.
Layer with your favorite serum.
Finish with a moisturizer!