Side-by-side comparison

The Inkey List Niacinamide Serum vs Vichy Mineral 89 Probiotic Fractions Serum

Both are serums built on the same key active: Niacinamide. That makes them genuine alternatives, so price, texture and the supporting ingredients decide it.

2Shared hero actives
The Inkey List
Niacinamide Serum
SerumBudgetMorning or evening
OilinessCongestionDark Spots

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.

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Vichy
Mineral 89 Probiotic Fractions Serum
SerumPremiumMorning or evening
DehydrationSensitivityDullness

A recovery serum building on the Mineral 89 line with probiotic fractions and hyaluronic acid for stressed, fatigued skin. Lightweight, soothing daily hydration with a barrier-recovery slant.

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The verdict

Which should you choose?

Both formulas lean on Niacinamide, so for the ingredient doing the work they're close alternatives. The Inkey List Niacinamide Serum is the better fit for oiliness, congestion and dark spots; Vichy Mineral 89 Probiotic Fractions Serum for dehydration, sensitive skin and dullness. On price, The Inkey List Niacinamide Serum is the less expensive option (Budget versus Premium).

The overlap

What they share

These hero actives appear in both formulas:

NiacinamideHyaluronic Acid
The formulation

Ingredient stacks, side by side

The Inkey List Niacinamide Serum — top of the list

  • Aqua~50–80%
  • Niacinamide~5–25%
  • Glycerin~3–10%
  • Sodium Hyaluron…~2–6%
  • Pentylene Glycol~1.5–4%

Vichy Mineral 89 Probiotic Fractions Serum — top of the list

  • Aqua~50–80%
  • Glycerin~5–25%
  • Bifida Ferment …~3–10%
  • Niacinamide~2–6%
  • Sodium Hyaluron…~1.5–4%

● marks ingredients that appear near the top of both lists. Percentages are positional estimates from INCI order, not disclosed doses.

At a glance

The specs

The Inkey List Niacinamide SerumVichy Mineral 89 Probiotic Fractions Serum
CategorySerumSerum
Price tierBudgetPremium
Best forOiliness, Congestion, Dark SpotsDehydration, Sensitivity, Dullness
Usage notesMorning or eveningMorning or evening
Shared hero activesNiacinamide and Hyaluronic Acid
Questions

Common questions

Is The Inkey List Niacinamide Serum or the Vichy Mineral 89 Probiotic Fractions Serum better?
Neither is clearly better on ingredients, since both rely on Niacinamide. Choose on price, texture and how your skin responds to the rest of the formula.
What's the difference between The Inkey List Niacinamide Serum and the Vichy Mineral 89 Probiotic Fractions Serum?
The Inkey List Niacinamide Serum's hero actives are Niacinamide and Hyaluronic Acid. Vichy Mineral 89 Probiotic Fractions Serum's are Probiotic Fractions, Hyaluronic Acid and Niacinamide. They also sit in different price tiers (Budget versus Premium).
Are The Inkey List Niacinamide Serum and Vichy Mineral 89 Probiotic Fractions Serum dupes for each other?
Yes, on the ingredient that matters. Both are built around Niacinamide, though concentrations, texture and the supporting ingredients can still differ.
Can I use The Inkey List Niacinamide Serum and Vichy Mineral 89 Probiotic Fractions Serum together?
Usually, yes. Apply the thinner texture first, then the thicker one, and patch-test when introducing anything new.
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1 shared hero active

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