Ingredient or product comparison

Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum Versus Kiehl's Ultra Pure High-Potency 9.8% Glycolic Acid Serum

This hydrating serum is formulated around Sodium Hyaluronate to hydrate skin and strengthen the skin barrier. This smoothing exfoliator is formulated around Glycolic Acid to refine skin texture and brighten dull-looking skin.

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