14 pairs
Dupes
Every pair in the index that shares at least one active, scored on how much of their chemistry overlaps. Products sharing no active are not listed: whatever else they have in common, water and glycerin do not make two things the same.
| Score | Product | Closest match | Shared |
|---|---|---|---|
| 62% | Skin Perfecting 2% BHA Liquid Exfoliant Paula's Choice | BHA Liquid Exfoliant 2% Naturium | 1/2 |
| 60% | Multi-Peptide + Copper Peptides 1% Serum The Ordinary | Buffet The Ordinary | 8/9 |
| 54% | Niacinamide 10% + Zinc 1% The Ordinary | Niacinamide Serum 12% Plus Zinc 2% Naturium | 2/2 |
| 48% | Azelaic Acid Suspension 10% The Ordinary | 10% Azelaic Acid Serum The Inkey List | 1/3 |
| 44% | Alpha Arbutin 2% + HA The Ordinary | Alpha Arbutin Serum The Inkey List | 1/3 |
| 39% | 1% Retinol Treatment Paula's Choice | 0.3% Retinol + 2% Bakuchiol Treatment Paula's Choice | 7/10 |
| 38% | 10% Azelaic Acid Booster Paula's Choice | 10% Azelaic Acid Serum The Inkey List | 2/5 |
| 37% | Alpha Arbutin Serum 2% Naturium | Alpha Arbutin Serum The Inkey List | 2/4 |
| 29% | Glycolic Acid 7% Toning Solution The Ordinary | Glycolic Acid Resurfacing Solution 8% Naturium | 1/2 |
| 28% | Alpha Arbutin 2% + HA The Ordinary | Ascorbic Acid 8% + Alpha Arbutin 2% The Ordinary | 1/3 |
| 28% | Alpha Arbutin 2% + HA The Ordinary | Alpha Arbutin Serum 2% Naturium | 1/5 |
| 26% | Azelaic Acid Suspension 10% The Ordinary | 10% Azelaic Acid Booster Paula's Choice | 1/6 |
| 26% | Ascorbic Acid 8% + Alpha Arbutin 2% The Ordinary | Alpha Arbutin Serum The Inkey List | 1/3 |
| 23% | AHA 30% + BHA 2% Peeling Solution The Ordinary | Glycolic Acid Resurfacing Solution 8% Naturium | 1/6 |