Everyone’s freaking out that hyaluronic acid is secretly a moisture thief. That it can suck water from your skin if the air’s too dry.
The rumor started because HA is a humectant — it grabs water. The fear is it’ll grab it from you if there’s none in the air. So I tested it in my desert-dry apartment.
It’s The Ordinary Hyaluronic Acid 2% + B5. $8. I had to see if the internet was ruining a good thing.
Texture
Slightly sticky, clear gel-serum.
Scent
None. Just a faint, clean lab smell.
Packaging
Glass dropper bottle — feels clinical, not luxurious.
Not one type of HA, but a blend of weights to penetrate different layers. The B5 is there for repair, not hydration.
- Low-Molecular Weight HA: Sinks deeper
- High-Molecular Weight HA: Plumps surface
- Crosspolymer HA: Holds water longer
- Vitamin B5: Supports barrier repair
Applies like a slick of water — absorbs in under 15 seconds. Leaves a faint, tight film. Not dewy.
Used it alone for a week. Skin felt… fine. No tighter than usual. The surprise? It highlighted dry patches I didn’t know I had. Like a highlighter for flakes.
My skin was softer, but not radically more hydrated. It’s a team player, not a solo act.
It didn’t dehydrate me. But used wrong — on dry skin, in arid air — it’s just ineffective. The villain is user error.