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This fast-absorbing face serum is formulated with only seven ingredients to help visibly replenish and intensively hydrate dry skin. Concentrated with 1.5% Hyaluronic Acid, this pure and potent formula for all skin types leaves skin feeling more plump, healthy and hydrated.
Visibly replenishes and intensively hydrates dry skin.
Leaves skin feeling more plump, healthy-looking and hydrated.
Suitable for all skin types, including sensitive skin.
Benefits/Before and After Section: Our Hyaluronic Acid serum helps replenish and retain moisture, leaving skin feeling more plump, healthy and hydrated:
Instantly Boosts Hydration by +89% *
91% Agree Feels Hydrated**
*Based on an instrumental study.
**Reported by consumers after 1 week of use.
Hyaluronic Acid
Hyaluronic Acid helps skin better retain moisture to improve the look of resiliency and make skin feel more supple and bouncy by delivering skin-strengthening hydration.
Apply 2–3 drops to clean, dry skin in the morning and evening.
Layer with other skincare products as needed.
Suitable for use on the face and under-eye area.
Before And After Ultra Pure High-Potency Serum Hyaluronic Acid
Minimally formulated with only 7 ingredients, our concentrated 1.5% Hyaluronic Acid serum has a fast-absorbing texture that allows actives to be rapidly delivered into the skin, leaving it feeling plumper, replenished, and hydrated.
Skin Type, Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum
All Types Dry Oily Combination Sensitive Normal
Skin Type, Ultra Pure High-Potency 5.0% Niacinamide Serum
All Types Dry Oily Combination Normal Sensitive
Skin Type, Ultra Pure High-Potency 9.8% Glycolic Acid Serum
All Types Dry Oily Combination Normal Sensitive
Skin Concern
Skin Concern, Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum
Dryness
Skin Concern, Ultra Pure High-Potency 5.0% Niacinamide Serum
Uneven Skin Tone Blemishes Oily Skin / Acne
Skin Concern, Ultra Pure High-Potency 9.8% Glycolic Acid Serum
Enlarged Pores Uneven Skin Tone Tone & Texture Dull Skin
Size
Size, Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum
One size only for Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum
1.0 fl oz / 30 ml
Size, Ultra Pure High-Potency 5.0% Niacinamide Serum
One size only for Ultra Pure High-Potency 5.0% Niacinamide Serum
1.0 fl oz / 30 ml
Size, Ultra Pure High-Potency 9.8% Glycolic Acid Serum
One size only for Ultra Pure High-Potency 9.8% Glycolic Acid Serum
1.0 fl oz / 30 ml
Price
Price, Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum
Old priceNew price$40.00
Price, Ultra Pure High-Potency 5.0% Niacinamide Serum
Old priceNew price$40.00
Price, Ultra Pure High-Potency 9.8% Glycolic Acid Serum
Old priceNew price$40.00
Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum
Ultra Pure High-Potency 5.0% Niacinamide Serum
Ultra Pure High-Potency 9.8% Glycolic Acid Serum
Expert Advice
Expert Advice
“We wanted to deliver known skin actives, such as Niacinamide, Glycolic Acid and Hyaluronic Acid in their pure form in simple formulations without too many ingredients to deliver efficacy, layer well into a skin regimen, such as with Kiehl’s Ultra Facial Cleanser and Ultra Facial Cream and allow users to customize their skin care according to their needs. The simplified formulas ensure the ingredients absorb fully into the skin. Topically applied, Hyaluronic Acid in our Ultra Pure High-Potency Serum 1.5% Hyaluronic Acid helps boost skin’s hydration, softness and reduces the appearance of dry, fine lines.”
Kiehl’s Global Scientific Director Dr. Nancy Ilaya PhD
Frequently Asked Questions
Serums are a way to introduce ingredients to the skin in a lighter-weight, more concentrated format – in this instance: Hyaluronic Acid. Hyaluronic Acid is a group of sugar molecules that are naturally occurring in the body but can also be sourced from plant material. Hyaluronic Acid serums can attract and retain moisture in the upper layers of skin to keep it hydrated and visibly plump.
Yes. Hyaluronic Acid serums are safe for use every day and can be used both day and night. You may also use our Hyaluronic Acid Pure Serum in partnership with any of our other serums.
Hyaluronic Acid may be beneficial to some who are prone to acne. Skin may produce excess sebum when it is dehydrated. In those instances, excess sebum can build up and clog pores. By increasing the hydration of the skin barrier, it may trigger the skin to produce less sebum which can help resolve some of the issues. Additionally, for those who have post-acne texture, Hyaluronic Acid can help plump the skin giving it an overall smoother appearance.
Hyaluronic Acid will help the skin to appear plumper and more hydrated looking. Additionally, the greater hydration levels allows the skin to be more resilient and elastic which can help reduce the appearance of static lines and wrinkles.
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