Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Olay Vitamin C + Peptide 24 Brightening Serum Versus Kiehl's Midnight Recovery Concentrate

This brightening serum is formulated around Niacinamide and Lactic Acid to brighten dull-looking skin and refine skin texture. This barrier-repair oil is formulated around Squalane and Rosa Canina Fruit Oil to strengthen the skin barrier and hydrate skin.

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  • This brightening serum is formulated around Niacinamide and Lactic Acid to brighten dull-looking skin and refine skin texture.
  • This barrier-repair oil is formulated around Squalane and Rosa Canina Fruit Oil to strengthen the skin barrier and hydrate skin.