Understand the source comparison
The Ordinary Niacinamide 10% + Zinc 1% Versus COSRX AHA/BHA Refresh Vitamin C Booster Serum
This oil-control serum is formulated around Niacinamide and Zinc PCA to balance excess oil and refine the look of pores. This brightening serum is formulated around Niacinamide and Glycolic Acid to brighten dull-looking skin and refine skin texture.
This page preserves a source comparison for education. It does not add a rating, recommendation or clinical judgment.
- This oil-control serum is formulated around Niacinamide and Zinc PCA to balance excess oil and refine the look of pores.
- This brightening serum is formulated around Niacinamide and Glycolic Acid to brighten dull-looking skin and refine skin texture.