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PDP Sections Accordion
Our skin-strengthening serum penetrates skin 8 surface layers deep* to help correct signs of aging through visibly diminishing fine lines and reviving tired-looking, dull skin, which can be caused by skin-aging stressors. Formulated with renewable and sustainably sourced 11kDa Hyaluronic Acid — our smallest form of Hyaluronic Acid — and a proprietary Adaptogenic Herbal Complex, our potent “super serum” deeply penetrates skin’s surface layers** and neutralizes skin-aging stressors to visibly renew skin.
*Based on a clinical study of 25 panelists measuring the penetration of the full formula via tape stripping.
**Stratum corneum layers.
Strengthens skin from within its deepest surface layer.
Helps correct visible signs of aging, which can be caused by skin stressors including pollution, stress and sun exposure.
Visibly reduces fine lines, improves resilience and boosts radiance for glowing, healthy-looking skin.
Absorbs easily with a lightweight texture.
For all skin types, including sensitive skin.
11kDa HYALURONIC ACID
Our smallest molecular size of Hyaluronic Acid, this micronized ingredient penetrates to fortify skin within its deepest surface layers.* By delivering skin-strengthening hydration to skin’s most vulnerable layer, 11kDa Hyaluronic Acid helps better retain moisture for improved resiliency, suppleness and bounce. Our Hyaluronic Acid is also renewable and sustainably sourced.
*Stratum corneum
ADAPTOGENIC HERBAL COMPLEX
Our Adaptogenic Herbal Complex is a proprietary blend of adaptogens — Red Ginseng Root, Holy Basil and Schisandra Berry — traditionally used in Traditional Chinese, Korean and Ayurvedic Medicine. Within our formula, these adaptogens work synergistically to defend skin from stressors while renewing and resurfacing skin’s texture for a smooth, radiant appearance.
Apply skin-strengthening serum onto cleansed face and neck, morning and night.
Can be used under another serum and/or moisturizer.
Avoid contact with eyes.
If contact occurs, rinse thoroughly with water.
As part of our Kiehl's Mission Renewal journey, we are providing the Environmental Impact Score to help you make informed decisions about the formulas you use. Kiehl’s is committed to continually improving the impact of our products throughout the product lifecycle, including the production and usage phase, and giving access to this data with full transparency. This tool is designed to help assess the relative environmental and social impact of Kiehl’s Products compared to other L’Oréal Group products in the same category in 2020.
The calculation method was developed with the help of independent scientific experts and Bureau Veritas Certification, an independent auditor. The score takes into account 14 environmental impact factors all along the product's life cycle.
This product currently has a less favorable impact than we aim for, so we have set out an action plan to improve its environmental and social performance over the coming months. You can also use [insert Marketing alternative here] as an alternative. The letters and colors used in this tool are designed to help you make comparisons to other L’Oreal Groupe products in the same category around the world in 2020, so you can make more informed choices.
Manufacturing Conditions
Made in the United States of America at a responsible plant
Waste recovery:
97%
Renewable energy:
>99%
Enviromental impact of the packaging
% of cardboard/paper certified FSCTM or PEFC:
100%
% of bottle made of recycled material3:
0%
Recyclable4:
No
Refillable or reusable:
No
Social impact of the product
The ingredients and components of this product are sourced from suppliers committed to respect the fundamental principles of the UN on labor standards.
11 suppliers used in the making of this product are part of the L’Oreal Solidarity Sourcing Program.
1Grams of CO2 equivalent ("face care" category average = 9.6g)
2Water index including water quality + water scarcity (m3) - "face care" category average = 1.9
Every day your skin comes into contact with stressors that can all lead to premature skin aging. UV exposure, pollution and extreme temperatures along with tobacco, stress, lack of sleep and nutrition can all have negative impacts on your skin and cause dullness, dryness, dehydration, fine lines and other signs of aging. Our formula is clinically demonstrated* to double skin’s strength** to help protect against stressed skin for a radiant, healthy-looking appearance.
*Based on a 4-week clinical study on 58 subjects tested in urban and polluted environments.
**Strength Index based on a composite, average score of clinically graded parameters after using the product for 4 weeks vs one week of use.