Beta-Glucan Power Moisture Serum — Reddit Reviews
by iUNIK
Updated October 2, 2026
Beta glucan hydration for dehydrated, tret-battered skin; stingy for some.
What the community says
A short, water-light humectant serum built around beta-glucan, glycerin, and sodium PCA. People use it under moisturizer on damp skin for dehydration and barrier recovery. Some get stinging, redness, or whiteheads after reformulation.
What this means for you
What people love
- Beta-glucan-heavy hydration without much fuss
- Plays nicely with tret, azelaic acid, and barrier routines
- Lightweight slip; sinks in fast on damp skin
Watch out for
- Reformulation complaints are constant; many say it is less hydrating now
- Can sting, redden, or burn reactive skin
- Some breakout-prone users get whiteheads or tiny pimples
Product details
Use caution
Values
Product Traits
Key Ingredients
Where to buy
Real Reddit threads — 346 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
“- 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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14 shared traits
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