Does Hyaluronic Acid Serum Actually Dehydrate Your Skin?

Myth Busted
We tested the viral claim that this cult serum can pull moisture *out* of your skin instead of adding it.
Expert Analysis · Honest Reviews · Real Results
1.💧The Viral Backlash

Everyone’s freaking out that hyaluronic acid can suck moisture *from* your skin. I tested the serum at the center of the drama.

The fear is real if you live in a dry climate — or apply it wrong. It’s not the serum, it’s the technique.

2.The Cult Serum

It’s the The Ordinary Hyaluronic Acid 2% + B5. Under $10. The claim? Plumps skin with hydration. The counter-claim? It can dehydrate you.

1

Texture

Slightly viscous, like thin syrup.

2

Absorption

Sinks in under 15 seconds on damp skin.

3

Packaging

The dropper is fine — but you’ll use it up fast.

white and blue floral textile

Photo: Camille Brodard / Unsplash

3.🔍What’s Actually In It

It’s not one HA, it’s a blend of three molecular weights. The B5 is for barrier support. The formula is suspiciously simple.

  • Low-Molecular HA: Can penetrate surface layer
  • Mid-Molecular HA: Holds water in mid-layers
  • High-Molecular HA: Forms film on surface
  • Vitamin B5: Soothes and supports repair
4.📊The Dry Skin Test

Applied to a dry cheek in my desert-dry apartment. Felt tight within a minute. A sticky, pulling sensation.

Switched to a damp face. Game over. No tightness, just immediate plumpness. The surprise? It works better *under* moisturizer, not over.

💡

One Thing: Spritz your face with water first. Not a mist — actual droplets. Then apply serum immediately.
5.💡Who It Really Works For

Fine lines from dehydration looked softer. Zero effect on deep wrinkles or oiliness. It’s a hydrator, not a miracle.

Buy if
Your skin feels tight or looks dull — and you’ll commit to applying to damp skin.
⏭️

Skip if
You live in extreme low humidity with no humidifier.
💰

Worth it?
For the price, it’s a no-brainer to test the theory.
6.The Myth: Busted

It doesn’t dehydrate skin. User error dehydrates skin. This is a basic, effective hydrator that demands a specific method.

8.0/10
A cheap, effective lesson in skincare physics.
🛍️

Where to Buy: Direct from The Ordinary or Sephora. Buy the small size first to test your climate.