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PDP Sections Accordion
Our Hyaluronic Acid serum strengthens skin to help resist signs of aging, while boosting radiance and smoothing fine lines. Formulated with 11kDa Hyaluronic Acid — our smallest form of Hyaluronic Acid, which penetrates 8 skin surface layers deep** — and an Adaptogenic Herbal Complex, our serum neutralizes the effects of external skin-aging stressors for youthful, radiant skin.
*Based on a clinical study of 25 panelists measuring the penetration of the full formula via tape stripping.
Helps correct visible signs of aging, which can be caused by skin stressors including pollution, stress and sun exposure
Apply our Hyaluronic Acid serum onto cleansed face and neck, morning and night
Can also be used before another serum
Then apply a daily 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. 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.
Every consumer product has some impact on the environment. A good score here does not mean a product has a positive impact or no impact on the environment. 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.
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. The letters and colors used in this tool are designed to help you make comparisons to other similar products in L'Oréal's global portfolio, so you can make more informed choices.
*Compared to other similar L’Oréal Groupe Products sold worldwide in 2020
This impact score is based on the simulated usage of 1 product and 4 refills.
Manufacturing Conditions
:
97%
Renewable energy:
>99%
Packaging Facts
% of cardboard/paper certified FSCTM or PEFC:
100%
% of bottle made of recycled material3 including colorant:
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 the stress-related signs of aging to help keep your skin more radiant and healthy-looking.
*Based on a 4-week clinical study on 58 subjects tested in urban and polluted environments.
**Based on Strength Index = Composite, average score of clinically graded parameters after using the product for 4 weeks vs one week of use.
Reviews
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