Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Paula's Choice Discoloration Repair Serum Versus Kiehl's Clearly Corrective Dark Spot Solution

This brightening serum is formulated around Niacinamide and Tranexamic Acid to fade the look of dark spots and brighten dull-looking skin. This brightening treatment is formulated around 3-O-Ethyl Ascorbic Acid and Salicylic Acid to fade the look of dark spots

This source-based comparison does not add ratings or recommend a winner.

  • This brightening serum is formulated around Niacinamide and Tranexamic Acid to fade the look of dark spots and brighten dull-looking skin.
  • This brightening treatment is formulated around 3-O-Ethyl Ascorbic Acid and Salicylic Acid to fade the look of dark spots and brighten dull-looking skin.