Vital Skin-Strengthening Hyaluronic Acid Super Serum

All Skin Types, including Sensitive Skin

A Hyaluronic Acid serum with an Adaptogenic complex that strengthens skin and boosts radiance.

Vital Skin-Strengthening Hyaluronic Acid Super Serum is rated 4.4 out of 5 by 631.

Vital Skin-Strengthening Hyaluronic Acid Super Serum 0

Vital Skin-Strengthening Hyaluronic Acid Super Serum 1

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Vital Skin-Strengthening Hyaluronic Acid Super Serum 3

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Vital Skin-Strengthening Hyaluronic Acid Super Serum

A Hyaluronic Acid serum with an Adaptogenic complex that strengthens skin and boosts radiance.

$135.00

or 4 installments of $33.75 by

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1.0 fl. oz. Bottle

1.7 fl. oz. Bottle

3.4 fl. oz. Bottle

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What It Is

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.

What It’s Good For

Protects against stressors including sun exposure, pollution, stress, lack of sleep, diet and temperature that can lead to early signs of aging
Clinically shown to improve skin texture by 41%*
Clinically demonstrated to boost radiance by 29% and improve resilience by 38% for glowing, healthy-looking skin*
Clinically demonstrated to visibly reduces fine lines by 27%*
Clinically demonstrated* to double skin’s strength**
Absorbs easily with a lightweight texture
For all skin types, including sensitive skin

*Based on a 4-week clinical study on 58 subjects tested in urban and polluted environments.

**Based on Skin Strength Index = Composite average score of skin suppleness, plumpness and resiliency.

Key Ingredients

11kDa HYALURONIC ACID

Hyaluronic Acid is known to help smooth and plump fine lines and is commonly used in skincare products to maintain moisture levels to boost hydration and visibly refine skin’s texture. Our smallest molecular size of Hyaluronic Acid, 11kda, penetrates to fortify skin within its deepest surface layers.* By delivering hydration to skin’s most vulnerable layer, 11kDa Hyaluronic Acid helps better retain moisture for improved resiliency, suppleness and bounce.
*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.

Red Ginseng Root – Known for providing cell energy and stimulating the resurfacing of skin cells
Holy Basil – Known for its skin soothing properties, which help to reduce the effects of skin stressors
Schisandra Berry – Rich in antioxidants, known for reinforcing skin resiliency and elasticity

See full list

How to Use

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

Did You Know?

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 Skin Strength Index = Composite average score of skin suppleness, plumpness and resiliency.

Future Made Better

True to our founding family’s mission, we strive to improve the quality of the communities we serve by reducing our
environmental impact, formulating responsibly, and supporting charitable causes. This formula is made with:

Responsible Formulation

Commitment to Recycling

Learn more

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Rated 5 out of 5 by CSpinn from Visibly improved skin I started seeing results in the quality and texture of my skin about 2 weeks into using. I use day and night and skin looks firmer, skin tone more even, and texture feels more smooth. It has a high price tag, but so worth it!

Date published: 2020-10-09

Rated 1 out of 5 by Putin from Questionable advantage Product is sticky and does to seem to have any advantages

Date published: 2020-10-08

Rated 5 out of 5 by bgthemom from Another great product to add to my routine I purchased this product a month or so ago, despite reading a review that indicated it had a very unpleasant smell. I am extremely sensitive to smells and it almost kept me from purchasing the serum. I decided, in any event, to give it a try, knowing that Kiehls would have accepted the return if indeed the product really did have a bad smell. I waited to review the serum to see if it really did make a difference in my overall skin condition. I have to say, first off, the fragrance in this product is not at all offensive, it is rather pleasant. second, I have noticed an improvement in my skin condition overall. To begin with, I have been using a mix of Kiehl's products for many years now and have zero complaints with the look of my skin, so I was not expecting much really, but I do feel it looks better. I am going on 76 next month and when I tell that to people, there reaction is always, "you have to be kidding, you look like you are in your 60's." Is that the products, genetics, nutrition, general health. I am sure it is the combination of all of those things, but I have also recommended the products I use to many other younger women who have thanked me profusely and raved about the improvement in their skin. This serum, I give 5 stars to because it warrants it.

Date published: 2020-10-06

Rated 5 out of 5 by xogemaxo from Consistency is key! When I first tried it, I have to admit that I was being stingey and was only using it once a day. I wasn't seeing that much of a difference until I caved and started using it morning and night. I have noticed that my skin is now supple and smooth! I have dry skin so this has helped to retain moisture better and has helped the texture of my skin.

Date published: 2020-10-02

Rated 5 out of 5 by nymm from Great Serum I have used it for a week day and night. my skin feels much better. Great serum.

Date published: 2020-09-18

Rated 5 out of 5 by Mingky from Good choice!! Im using this almost one month so i satisfied. When i using this a week i got some compliment about my skin :) only worst thing is smell but I've gotten used to it. Also i used vitamin c serum before and i remembered it was good so need time to decide which one i choose but new one is nice choice. It makes my face tone light and silky.

Date published: 2020-09-14

Rated 5 out of 5 by Anonymous from I received a large sample of this from a retail store and I absolutely notice a difference in the appearance of my skin after using for two weeks. I was noticing how dull my skin was starting to appear and decided to commit to using this sample—my skin look brighter and I look younger. So much so that a couple of my friends have asked what I changed in my skincare routine. I’m so excited to add this to my routine permanently!

Date published: 2020-08-29

Rated 5 out of 5 by ivonny from Love it! Lightweight and wakens up the skin! I recently purchased this product for the first time and absolutely love it. It's light weight and I feel like it's "medicinal" with a light tingle similar to the Vitamin C Powerful Line Reducing Concentrate. I feel like it's brightened my skin! I use it for both my morning and night routine as the first step before using my hydro plumping serum (which I have also been a fan of for years!).

Date published: 2020-08-10