The Inkey List products, each paired with its closest active-matched alternative. We match within the same category on shared hero actives, then favour cheaper options. Tap any pair to see the full breakdown.
The Inkey List products & their dupes
Oat Cleansing Balm
Closest dupe: Cetaphil Gentle Skin Cleanser · 50% overlap
Retinol Anti-Aging Serum
Closest dupe: COSRX The Retinol 0.5 Oil · 77% overlap
Hyaluronic Acid Serum
Closest dupe: The Ordinary Hyaluronic Acid 2% + B5 · 99% overlap
Niacinamide Serum
Closest dupe: Haruharu Wonder Black Rice Hyaluronic Serum · 99% overlap
Polyglutamic Acid Serum
Closest dupe: Haruharu Wonder Black Rice Hyaluronic Serum · 70% overlap
Common questions
What are the best The Inkey List dupes?
We list 5 The Inkey List products that have cheaper, active-matched alternatives in our catalogue, including the Oat Cleansing Balm, the Retinol Anti-Aging Serum, the Hyaluronic Acid Serum. Each match shares the hero actives that do the real work.
Are The Inkey List dupes worth it?
If your goal is the active-ingredient benefit at a lower price, a well-matched dupe delivers most of the value. If you specifically want The Inkey List's texture, fragrance or finish, the original is still the original — dupes match the chemistry, not the whole experience.
Skin Stacker is independent and receives no payment from any brand. "Dupe" matches are based on publicly disclosed INCI lists and shared hero actives — not on side-by-side lab testing. A shared active profile does not guarantee an identical experience: texture, fragrance, supporting ingredients and concentrations all differ. Formulations change — always re-check the current label before buying.