Side-by-side comparison

The Inkey List Hyaluronic Acid Serum vs Vichy Minéral 89 Hyaluronic Acid Booster

Both are serums. They share a 77% active-ingredient overlap, so the real decision is about price, texture and the supporting ingredients. Here's the side-by-side.

77%Active overlap
The Inkey List
Hyaluronic Acid Serum
SerumBudgetMorning or evening
DehydrationDrynessDullness

A multi-weight hyaluronic acid serum with vitamin B5 for layered hydration. A no-frills, affordable HA serum; apply to damp skin and seal with moisturiser to avoid the dryness HA can cause in low humidity.

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Vichy
Minéral 89 Hyaluronic Acid Booster
SerumMid-rangeMorning or evening
DrynessDamaged BarrierDullnessSensitive skin

89% Vichy mineralizing thermal water with hyaluronic acid in a light gel-serum. Not a heavy-hitting active product — it's a first-step hydrator. Comfortable under actives, useful for anyone finding fuller HA serums too tacky.

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The verdict

Which should you choose?

On price, the The Inkey List Hyaluronic Acid Serum sits in the Budget tier versus Mid-range for the Vichy — so it's the more budget-led pick if the overlap is what you're after. The The Inkey List leans toward Dehydration. The Vichy leans toward Damaged Barrier.

The overlap

What they share

At 77% active overlap, these are the ingredients doing comparable work in both formulas:

Hyaluronic Acid
The formulation

Ingredient stacks, side by side

The Inkey List — top of the list

  • Aqua~50–80%
  • Glycerin~5–25%
  • Sodium Hyaluron…~3–10%
  • Hydrolyzed Hyal…~2–6%
  • Sodium Hyaluron…~1.5–4%
  • Panthenol~1–2%

Vichy — top of the list

  • Vichy Minerali…~50–80%
  • Glycerin~5–25%
  • Propanediol~3–10%
  • PEG-6 Caprylic…~2–6%
  • Sodium Hyaluro…~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 ListVichy
CategorySerumSerum
Price tierBudgetMid-range
Best forDehydration, Dryness, DullnessDryness, Damaged Barrier, Dullness
Usage notesMorning or eveningMorning or evening
Active overlap77% — Hyaluronic Acid
Questions

Common questions

Is the The Inkey List Hyaluronic Acid Serum or the Vichy Minéral 89 Hyaluronic Acid Booster better?
Neither is universally better — they share 77% active-ingredient overlap, so for the actives that drive results they're close. The The Inkey List Hyaluronic Acid Serum is the more budget-friendly option, while the other may differ on texture, finish and supporting ingredients. Pick based on your skin's priorities rather than a single 'winner'.
What's the difference between the The Inkey List Hyaluronic Acid Serum and the Vichy Minéral 89 Hyaluronic Acid Booster?
Both are serums that share Hyaluronic Acid. Where they differ: they sit in different price tiers (Budget vs Mid-range); the The Inkey List targets Dehydration; the Vichy targets Damaged Barrier.
Are the The Inkey List Hyaluronic Acid Serum and Vichy Minéral 89 Hyaluronic Acid Booster dupes for each other?
They share 77% active-ingredient overlap based on published INCI lists, so one can stand in for the other on the actives that matter — chiefly Hyaluronic Acid. A dupe matches the hero actives, not the full sensory experience, so expect differences in texture, fragrance and exact concentrations.
Can I use the The Inkey List Hyaluronic Acid Serum and Vichy Minéral 89 Hyaluronic Acid Booster together?
They both fill the serum slot in a routine, so you'd normally pick one rather than layer both. If you want to use both, treat one as your daytime option and the other for evening, and patch-test when introducing anything new.
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70% overlap

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