Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Paula's Choice Resist Barrier Repair Moisturizer with Retinol Versus Paula's Choice C5 Super Boost Moisturizer

This barrier-repair moisturizer is formulated around Retinol and Ceramide NP to strengthen the skin barrier and soften the look of wrinkles. This brightening moisturizer is formulated around 3-O-Ethyl Ascorbic Acid and Ascorbyl Glucoside to brighten dull-looki

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

  • This barrier-repair moisturizer is formulated around Retinol and Ceramide NP to strengthen the skin barrier 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.