Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum
A concentrated 1.5% Hyaluronic Acid serum for dry skin made with only 7 ingredients that helps replenish and retain moisture for healthy-looking, hydrated skin.
26.25
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Before and After

Our Hyaluronic Acid facial serum visibly replenishes and intensively hydrates dry skin:
After 1 Week, 83% Agree Skin Looks Replenished**
Plumper Skin in 1 Week***
Instantly Boosts Hydration by +89%*
After 1 Week, 83% Agree Skin Looks Replenished**
Plumper Skin in 1 Week***
*Based on an instrumental study.
**Reported by consumers in a 4-week study.
***Expert grading in a 4-week clinical study.
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Why We Love It

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.
Find Your Formula
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 |
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Skin Type All Types Dry Oily Combination Sensitive Normal | Skin Type All Types Dry Oily Combination Normal Sensitive | Skin Type All Types Dry Oily Combination Normal Sensitive |
Skin Concern Dryness | Skin Concern Uneven Skin Tone Blemishes Oily Skin / Acne | Skin Concern Enlarged Pores Uneven Skin Tone Tone & Texture Dull Skin |
Size One size available 1.0 fl oz / 30 ml | Size One size available 1.0 fl oz / 30 ml | Size One size available 1.0 fl oz / 30 ml |
Price Old price $35.00 New price $26.25 | Price Old price $35.00 New price $26.25 | Price Old price $35.00 New price $26.25 |
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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
Kiehl’s Global Scientific Director Dr. Nancy Ilaya PhD
Frequently Asked Questions
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