Beta-Glucan Power Moisture Serum — Reddit Reviews
by iUNIK
Updated August 27, 2026
Beta glucan serum hydrates deeply and supports skin barrier; sticky texture noted.
What the community says
This serum combines beta glucan and hyaluronic acid for intense hydration and barrier support. It suits dehydrated and sensitive skin but can feel sticky and cause irritation for some users. The community finds it especially good for treating dryness safely around actives.
What this means for you
What people love
- Extremely hydrating with superior moisture retention vs hyaluronic acid
- Popular for barrier repair during tretinoin use, calming redness
- Lightweight feel with good layering ability under moisturizers or makeup
Watch out for
- Can cause stinging, redness, and breakouts in sensitive or rosacea-prone skin
- Stickiness and a slight film can trap sebum and worsen redness on oily skin
- Recent reformulation lowered beta glucan percentage; less hydrating now
Product details
Use caution
Skin Type
Values
Product Traits
Key Ingredients
Where to buy
Real Reddit threads — 289 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
Dupes & Alternatives
Skin1004
Madagascar Centella Asiatica Ampoule
Better for Redness / Irritation
12 shared traits
454 mentions
