Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum, 1 Oz.

After 1 Week, 83% Agree Skin Looks Replenished* Instantly Boosts Hydration by +89%** Plumper Skin in 1 Week*** *Reported by consumers in a 4week study. **Based on an instrumental study. ***Expert grading in a 4week 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 below: 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. Layer Kiehl's Hyaluronic Acid Serum underneath your favorite eye cream for an extra hydration boost. Use Kiehl's Hyaluronic Acid Serum as a highlighter by dabbing extra over your moisturizer on the "C" between the top of your brow arch, temple, and cheek bone. Zone treat your face by applying Hyaluronic Acid Serum all over to hydrate skin. Follow with your favorite moisturizer where needed. Layer with Kiehl's Niacinamide Serum to reduce oil amp; sooth skin. Layer with Kiehl's Glycolic Acid Serum to gently exfoliate amp; improve texture.