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Beta-Glucan Power Moisture Serum

DehydrationSerum

Beta-Glucan Power Moisture Serum — Reddit Reviews

by iUNIK

95nextscore211 verdicts

Updated October 10, 2026

Beta-glucan hydrator for dehydrated, tret-stressed skin; reformulation drama.

What the community says

A beta-glucan serum with a very short, humectant-heavy formula that people use for dehydration and barrier recovery. It layers well on damp skin and suits tret users, but reformulation complaints and occasional breakouts are real.

From Reddit

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

Read the threads ↓

What people love

  • Hydration monster for tight, flaky skin
  • Short, no-fuss formula with glycerin and sodium PCA
  • Layers cleanly under moisturizer and actives

Watch out for

  • Reformulation threads are brutal — newer bottles read less hydrating
  • Can sting, redden, or heat up rosacea-prone skin
  • Some acne-prone users get whiteheads or breakouts

Product details

Where to buy

Real Reddit threads — 365 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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