Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Paula's Choice Resist Intensive Wrinkle-Repair Retinol Serum Versus FaceTheory Regenacalm 2% Retinol and Vitamin C Serum S1

This anti-aging serum is formulated around Retinol and Tetrahexyldecyl Ascorbate to soften the look of wrinkles and refine skin texture. This brightening serum is formulated around Retinyl Palmitate and Sodium Ascorbyl Phosphate to brighten dull-looking skin.

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

  • This anti-aging serum is formulated around Retinol and Tetrahexyldecyl Ascorbate to soften the look of wrinkles and refine skin texture.
  • This brightening serum is formulated around Retinyl Palmitate and Sodium Ascorbyl Phosphate to brighten dull-looking skin.