Ingredient or product comparison

Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum Versus Kiehl's Ultra Pure High-Potency 5.0% Niacinamide Serum

This hydrating serum is formulated around Sodium Hyaluronate to hydrate skin and strengthen the skin barrier. This oil-control serum is formulated around Niacinamide to balance excess oil and refine the look of pores.

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