Side-by-side comparison

First Aid Beauty Ultra Repair Hyaluronic Acid Serum vs Vichy Minéral 89 Hyaluronic Acid Booster

Neither serum relies on a targeted treatment active; both are about comfort and skin support. They share Hyaluronic Acid, so texture, price and the rest of the formula decide it.

1Shared hero active

First Aid Beauty

Ultra Repair Hyaluronic Acid Serum

SerumMid-rangeMorning or evening

DehydrationSensitivityDamaged Barrier

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.

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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?

Both lean on Hyaluronic Acid for hydration and support. First Aid Beauty Ultra Repair Hyaluronic Acid Serum adds Colloidal Oat and Ceramides. First Aid Beauty Ultra Repair Hyaluronic Acid Serum is the better fit for dehydration and sensitive skin; Vichy Minéral 89 Hyaluronic Acid Booster for dryness and dullness. Both sit in the Mid-range price tier.

The overlap

What they share

This hero active appears in both formulas:

Hyaluronic Acid

The formulation

Ingredient stacks, side by side

First Aid Beauty Ultra Repair Hyaluronic Acid Serum — top of the list

Aqua~50–80%
Glycerin~5–25%
Sodium Hyaluron…~3–10%
Hydrolyzed Hyal…~2–6%
Avena Sativa Ke…~1.5–4%

Vichy Minéral 89 Hyaluronic Acid Booster — 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

	First Aid Beauty Ultra Repair Hyaluronic Acid Serum	Vichy Minéral 89 Hyaluronic Acid Booster
Category	Serum	Serum
Price tier	Mid-range	Mid-range
Best for	Dehydration, Sensitivity, Damaged Barrier	Dryness, Damaged Barrier, Dullness
Usage notes	Morning or evening	Morning or evening
Shared hero actives	Hyaluronic Acid

Questions

Common questions

Is the First Aid Beauty Ultra Repair Hyaluronic Acid Serum or the Vichy Minéral 89 Hyaluronic Acid Booster better?

Neither is a treatment product, so it comes down to feel and fit. Both use Hyaluronic Acid; pick on price, texture and the concerns each suits.

What's the difference between the First Aid Beauty Ultra Repair Hyaluronic Acid Serum and the Vichy Minéral 89 Hyaluronic Acid Booster?

First Aid Beauty Ultra Repair Hyaluronic Acid Serum's hero actives are Hyaluronic Acid, Colloidal Oat and Ceramides. Vichy Minéral 89 Hyaluronic Acid Booster's are Hyaluronic Acid.

Are the First Aid Beauty Ultra Repair Hyaluronic Acid Serum and Vichy Minéral 89 Hyaluronic Acid Booster dupes for each other?

They're similar in role: both rely on Hyaluronic Acid for support rather than a targeted active. Texture and the rest of the formula will still feel different.

Can I use the First Aid Beauty Ultra Repair Hyaluronic Acid Serum and Vichy Minéral 89 Hyaluronic Acid Booster together?

Usually, yes. Apply the thinner texture first, then the thicker one, and patch-test when introducing anything new.

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