Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Paula's Choice C15 Super Booster Versus Paula's Choice C5 Super Boost Moisturizer

This brightening serum is formulated around Ascorbic Acid and Ferulic Acid to brighten dull-looking skin and soften the look of wrinkles. This brightening moisturizer is formulated around 3-O-Ethyl Ascorbic Acid and Ascorbyl Glucoside to brighten dull-looking

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

  • This brightening serum is formulated around Ascorbic Acid and Ferulic Acid to brighten dull-looking skin and soften the look of wrinkles.
  • This brightening moisturizer is formulated around 3-O-Ethyl Ascorbic Acid and Ascorbyl Glucoside to brighten dull-looking skin.