Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Paula's Choice 10% Azelaic Acid Booster Versus The INKEY List Polyhydroxy Acid (PHA) Toner

This calming treatment is formulated around Azelaic Acid and Salicylic Acid to calm redness and fade the look of dark spots. This smoothing toner is formulated around Gluconolactone and Niacinamide to refine skin texture and brighten dull-looking skin.

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

  • This calming treatment is formulated around Azelaic Acid and Salicylic Acid to calm redness and fade the look of dark spots.
  • This smoothing toner is formulated around Gluconolactone and Niacinamide to refine skin texture and brighten dull-looking skin.