Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

COSRX The 6 Peptide Skin Booster Serum Versus COSRX AHA 7 Whitehead Power Liquid

This anti-aging serum is formulated around Niacinamide and Acetyl Hexapeptide-8 to soften the look of wrinkles and strengthen the skin barrier. This smoothing exfoliator is formulated around Glycolic Acid and Niacinamide to refine skin texture and clear breako

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

  • This anti-aging serum is formulated around Niacinamide and Acetyl Hexapeptide-8 to soften the look of wrinkles and strengthen the skin barrier.
  • This smoothing exfoliator is formulated around Glycolic Acid and Niacinamide to refine skin texture and clear breakouts.