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Beta-Glucan Power Moisture Serum

DehydrationSerum

Beta-Glucan Power Moisture Serum — Reddit Reviews

by iUNIK

95nextscore185 verdicts

Updated September 23, 2026

400,000 ppm beta-glucan for stupid-good hydration; can sting reactive skin.

What the community says

A minimalist humectant serum built around beta-glucan, glycerin, and sodium PCA. It’s the kind of layer tret users and dehydrated-skin people keep in rotation for quick plumping. Sensitive or rosacea-prone skin can get heat, sting, or whiteheads.

From Reddit

Backed by 30 threads from r/tretinoin, r/koreanskincare and 3 more.

Read the threads ↓

What people love

  • Big hydration payoff from a tiny ingredient list
  • Plays well under tret and other actives
  • Lightweight, watery texture sinks in fast

Watch out for

  • Can sting, flush, or feel hot on reactive skin
  • Some people break out or get whiteheads
  • Recent reformulation seems less hydrating to some users

Product details

Where to buy

Real Reddit threads — 327 mentions across 30 threads

iUNIK Beta-Glucan Power Moisture Serum on Reddit, in one place — 30 threads from r/tretinoin, r/koreanskincare and 3 more, summarized.

“just started using Iunik beta glucan under Cicaplast on non tret nights”

Positive

“Just started using Iunik beta glucan under Cicaplast on non tret nights”

Positive

“I've recently switched it up. Really simple seems to work for me.”

Positive

“iunik - beta glucan power moisture serum (2 layer)”

Positive

“I love the Beta Glucan serum! It is so moisturizing, doesn't cause breakouts and helps when I've damaged my barrier.”

Positive

“Now, I have zero dry patches, and like OP mentioned, my makeup goes on much nicer now.”

Positive
1.3k

“- IUNIK beta glucan serum”

Positive

“- iunik serum”

Positive

“Currently my routine rotates but it’s mainly this.”

Positive

“Iunik beta glucan and/or Purito hydro wave deep sea serum”

Positive

“AM: usually water rinse”

Positive

“Torriden dive in cream OR a light layer of aestura atobarrier cream if I’m feeling extra dry”

Positive

“their beta glucan serum and beta glucan moisturizer are top notch as well.”

Mentioned

“Just here to say that i like the iunik brand...their beta glucan serum and beta glucan moisturizer are top notch as well.”

Mentioned

“I will have to try this product!”

Mentioned

“iUnik Beta Glucan Power Moisture Serum”

Mentioned

“Serums/Creams:”

Mentioned

“Here is the list of items. I've arranged them into categories.”

Mentioned

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