Beta-Glucan Power Moisture Serum — Reddit Reviews
by iUNIK
Updated October 2, 2026
400,000ppm beta-glucan floods dehydrated skin with bounce; breakouts remain possible.
What the community says
A beta-glucan and glycerin humectant serum for dehydrated, tret-irritated skin, applied to damp skin before moisturizer. It layers neatly for many users, but acne-prone or rosacea-prone skin can face breakouts, heat, stinging, or redness.
What this means for you
What people love
- 400,000ppm beta-glucan delivers serious damp-skin hydration
- Short, no-frills ingredient list with no fragrance
- HG-level barrier backup for tret dryness and irritation
Watch out for
- Breakouts and closed comedones show up for some users
- Can sting, heat up, or trigger rosacea redness
- Texture turns sticky, thick, or greasy past three drops
Product details
Use caution
Values
Product Traits
Key Ingredients
How to use it
From Reddit routinesWhere to buy
Real Reddit threads — 429 mentions across 30 threads
iUNIK Beta-Glucan Power Moisture Serum on Reddit, in one place — 30 threads from r/tretinoin, r/koreanskincare and 2 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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