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Kiehl's Since 1851 Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum #1
Kiehl's Since 1851 Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum #1

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Kiehl's Since 1851Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum

Item 2607903

4.7 out of 5 stars. 426 reviews
Size:1.0 oz


Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum is a concentrated facial serum formulated with just seven ingredients to help your skin bounce back with replenishing moisture and intensive hydration.



  • Add a drop of Kiehl's Hyaluronic Acid Serum to your liquid makeup (foundation or highlighter) to add a boost of hydration/sheer out the coverage to a tint
  • Zone treat your face by applying Hyaluronic Acid Serum all over to hydrate skin. Follow with your favorite moisturizer where needed

Key Ingredients

  • 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.

Research Results

  • After 1 Week, 83% Agree Skin Looks Replenished* Instantly Boosts Hydration by +89%** Plumper Skin in 1 Week***
  • *Reported by consumers in a 4-week study. **Based on an instrumental study. ***Expert grading in a 4-week clinical study.

How To Use

In the morning and evening, apply 2 - 3 drops to clean, dry skin.

Try out Kiehl's Hyaluronic Acid serum skin hacks: Layer with Kiehl's Glycolic Acid Serum to gently exfoliate & improve texture. Layer with Kiehl's Niacinamide Serum to reduce oil & sooth skin.


Aqua/Water, Glycerin, Sodium Hyaluronate, Phenoxyethanol, Chlorphenesin, Tetrasodium Glutamate Diacetate, Citric Acid.

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