Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Medik8 Oxy-R Peptides Versus Medik8 Crystal Retinal

This brightening serum is formulated around Gluconolactone to fade the look of dark spots and brighten dull-looking skin. This anti-aging serum is formulated around 3-O-Ethyl Ascorbic Acid and Tetrahexyldecyl Ascorbate to soften the look of wrinkles and refine

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

  • This brightening serum is formulated around Gluconolactone to fade the look of dark spots and brighten dull-looking skin.
  • This anti-aging serum is formulated around 3-O-Ethyl Ascorbic Acid and Tetrahexyldecyl Ascorbate to soften the look of wrinkles and refine skin texture.