Beta-Glucan Power Moisture Serum — Reddit Reviews
by iUNIK
Updated November 10, 2026
Beta-glucan hydration bomb for dehydrated, retinoid-stressed skin; sticky for some.
What the community says
A minimalist beta-glucan and glycerin humectant serum that works best on damp skin under moisturizer. It earns HG status for dehydration and retinoid dryness, but sticky film, occasional breakouts, and burning make patch-testing non-negotiable.
What this means for you
What people love
Watch out for
- Sticky film or greasy finish when overapplied
- Breakouts and whiteheads hit some acne-prone users
- Burning, redness, or rosacea flares for some
Product details
Use caution
Values
Product Traits
Key Ingredients
What TikTok says
From 12 TikTok videos6 sponsored, marked with outlined numbers
Several creators call it lightweight, hydrating and soothing, and say it works for acne-prone or sensitive skin 12345. Sponsored creators say it contains no niacinamide or hyaluronic acid and is fungal acne safe 267. Creators say it suits dry skin, and one sponsored creator says beta glucan hydrates better than hyaluronic acid 8910.
Sponsored means the creator disclosed a brand partnership or the video ran as a paid ad.
Videos open on TikTok in a new tab.
How to use it
From Reddit routinesWhere to buy
Full ingredient list · 10
iUNIK Beta-Glucan Power Moisture Serum ingredients
Beta-Glucan(400,000PPM), Water, Glycerin, 1,2-Hexanediol, Butylene Glycol, Adenosine, Carbomer, Tromethamine, Sodium Polyacrylate, Sodium PCA
Listed in label order, highest concentration first. Linked ingredients have their own page.
Real Reddit threads — 452 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
Dupes & Alternatives
Skin1004
Madagascar Centella Asiatica Ampoule
Better for Redness / Irritation
18 shared traits
590 mentions
Anua
Azelaic Acid Hyaluron Redness Soothing Serum
Better for Redness / Irritation
16 shared traits
781 mentions
Often paired with
Products Redditors use alongside this one
Purito
Mentioned together in 33 threads
“The iUNIK Beta-Glucan Serum is great for hydration and barrier support. I use it alongside the Purito Oat-in Calming Gel.”
Haruharu Wonder
Black Rice Probiotic Barrier Essence
Mentioned together in 22 threads
“I also use a milky toner (haru haru probiotics barrier essence). Then I would use serums after that. I mostly use serums focused on hydration and anti-aging. I really like the Iunik beta glucan serum”
I'm From
Mentioned together in 13 threads
“I personally use the IUNIK beta glucan serum for hydration. The Cos de baha azelaic acid 10% to help with hyperpigmentation cuz my skin unfortunately can’t tolerate retinol. I’m From mugwort essence”
Purito
Mentioned together in 12 threads
“IUNIK Beta glucan serum, wait 20 minutes, Tret .025%, wait 20 minutes, Purito Mighty Bamboo Panthenol cream.”