Everyone says hyaluronic acid is a desert for your skin in a desert. I tested it in 15% humidity to see if it’s true.
The fear is real: if the air is drier than your skin, the serum pulls water *from* you into the air. A hydration heist.
It’s The Ordinary’s Hyaluronic Acid 2% + B5. $7.80. The claim that made me try it? That it could backfire completely.
Texture
Slightly sticky, clear gel-serum.
Absorption
Sinks in 20 seconds on damp skin.
Layering
Plays nice with everything — no pilling.
Photo: Christian Agbede / Unsplash
It’s not one HA, it’s three. Different molecular weights target different skin layers. The B5 is there for repair, not just hydration.
- Low-Molecular HA: penetrates deeper
- High-Molecular HA: surface hydration
- Crosspolymer HA: longer-lasting film
- Vitamin B5: supports barrier repair
First impression: it feels thirsty. You can feel it grabbing onto the water on your face. Not a luxurious slip — it’s a worker.
Week 3 surprise: My skin didn’t shrivel. But I learned the hard way that applying it to dry skin is a tight, regretful mistake.
Plumper texture, yes. Less dry-tight feeling by noon. Did it cure my dry climate flakes? No. That’s still the job of a heavy cream.
The myth is half-true. It won’t dehydrate you if you use it correctly. But it’s a team player, not a solo act.