First Aid Beauty Ultra Repair Hyaluronic Acid Serum vs The Inkey List Niacinamide Serum
Both serums contain Hyaluronic Acid, but only The Inkey List Niacinamide Serum adds a targeted active: Niacinamide. That's the main thing to weigh.
A multi-weight hyaluronic acid serum with colloidal oatmeal and ceramide support for sensitive, dehydrated skin. A soothing, fragrance-free hydrator that pairs hydration with barrier comfort.
A 10% niacinamide serum with added hyaluronic acid for oil control and blemish support. A clean, affordable single-active option; broadly comparable to other 10% niacinamide serums with a slightly more hydrating base.
Which should you choose?
The Inkey List Niacinamide Serum goes further with Niacinamide, which First Aid Beauty Ultra Repair Hyaluronic Acid Serum doesn't have. If you only need Hyaluronic Acid, First Aid Beauty Ultra Repair Hyaluronic Acid Serum covers it; if you want Niacinamide as well, choose The Inkey List Niacinamide Serum. First Aid Beauty Ultra Repair Hyaluronic Acid Serum is the better fit for dehydration, sensitive skin and a damaged barrier; The Inkey List Niacinamide Serum for oiliness, congestion and dark spots. On price, The Inkey List Niacinamide Serum is the less expensive option (Budget versus Mid-range).
What they share
This hero active appears in both formulas:
Ingredient stacks, side by side
First Aid Beauty Ultra Repair Hyaluronic Acid Serum — top of the list
- Hydrolyzed Hyal…~2–6%
- Avena Sativa Ke…~1.5–4%
The Inkey List Niacinamide Serum — top of the list
- Niacinamide~5–25%
- Pentylene Glycol~1.5–4%
● marks ingredients that appear near the top of both lists. Percentages are positional estimates from INCI order, not disclosed doses.
The specs
| First Aid Beauty Ultra Repair Hyaluronic Acid Serum | The Inkey List Niacinamide Serum | |
|---|---|---|
| Category | Serum | Serum |
| Price tier | Mid-range | Budget |
| Best for | Dehydration, Sensitivity, Damaged Barrier | Oiliness, Congestion, Dark Spots |
| Usage notes | Morning or evening | Morning or evening |
| Shared hero actives | Hyaluronic Acid | |
Common questions
Is the First Aid Beauty Ultra Repair Hyaluronic Acid Serum or The Inkey List Niacinamide Serum better?
What's the difference between the First Aid Beauty Ultra Repair Hyaluronic Acid Serum and The Inkey List Niacinamide Serum?
Are the First Aid Beauty Ultra Repair Hyaluronic Acid Serum and The Inkey List Niacinamide Serum dupes for each other?
Can I use the First Aid Beauty Ultra Repair Hyaluronic Acid Serum and The Inkey List Niacinamide Serum together?
Related comparisons
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