Vital Skin-Strengthening Hyaluronic Acid Super Serum
A skin-strengthening serum that helps protect against skin-aging stressors and visibly correct signs of aging.

Did You Know?

*Based on a 4-week clinical study on 58 subjects tested in urban and polluted environments.
**Strength Index based on a composite, average score of clinically graded parameters after using the product for 4 weeks vs one week of use.
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Frequently Asked Questions
― +What does hyaluronic acid serum do for your face?
Kiehl’s Vital Skin-Strengthening Hyaluronic Acid Super Serum deeply hydrates and plumps the skin while improving elasticity. It helps reduce the appearance of fine lines and wrinkles, leaving skin smoother, firmer, and more radiant.
How to use hyaluronic acid serum?
Apply the serum morning and night after cleansing and before moisturizer. Use a few drops on your fingertips and gently press into skin to enhance absorption and long-lasting hydration.
Can I use hyaluronic acid with Vitamin C serum?
Yes, hyaluronic acid and Vitamin C work perfectly together. Use Vitamin C first to brighten and smooth, then follow with Kiehl’s Hyaluronic Acid Super Serum to lock in moisture and strengthen the skin barrier.
Does hyaluronic acid help with wrinkles?
Hyaluronic acid visibly reduces fine lines and wrinkles by plumping and firming the skin from within. The formula’s 11kDa Hyaluronic Acid penetrates deep into skin layers to smooth texture and boost youthful radiance.
Can I apply hyaluronic acid serum daily?
Yes, hyaluronic acid serum can be used every day as part of your skincare routine. Kiehl’s Vital Skin-Strengthening Hyaluronic Acid Super Serum is designed for daily application to boost hydration, smooth fine lines, and strengthen the skin barrier over time.










