Index / iUNIK / Beta Glucan Power Moisture Serum
iUNIK

iUNIK Beta Glucan Power Moisture Serum.

About this product

A lightweight hydrating serum formulated with beta glucan, glycerin, and sodium PCA to boost moisture and support skin barrier function.

Full ingredients

Water, Butylene Glycol, 1,2-Hexanediol, Ethylhexylglycerin, Beta-Glucan, Sodium PCA

More from iUNIK 6 products · Guru Score 96% →

Guru Score

84%

Yay

4 experts · Moderate agreement

What the gurus are saying

Beta glucan delivers hydration across multiple skin layers while reinforcing the barrier, and the serum absorbs quickly without feeling heavy, making it easy to layer under moisturizer or sunscreen or wear alone in warmer months. The formula also includes adenosine, which gurus note supports skin cell function and may help with fine lines over time. The dropper design could be smoother, but that does not affect what the serum itself does for hydration and skin texture.
Synthesized from 4 expert reviews · most recent take October 2026

What they liked

  • Minimal ingredient list, focused on beta glucan
  • Lightweight texture, absorbs quickly
  • Layers well under moisturiser or sunscreen

What they flagged

  • Dropper dispenses inconsistently

Type

Formula notes

Fragrance-freeNo drying alcohol

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What the gurus are saying.

Every take we've logged from this product's reviews across YouTube. Click any row to watch the moment they said it.

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✓Yay
"This is kind of a dropper bottle. It feels super super light, which is nice because it's hot and humid out. [...] Lightweight is just fine with me because I'm going out and it's humid out and hot. Yeah, this feels really nice and lightweight. [...] It's got a really short ingredient list: water, glycerin, beta glucan, adenosine, sodium PCA. So it's got PDRN in it and beta glucan, 160,000 parts per billion of beta glucan, but super lightweight, but feels nice."
✓Yay
"The iUNIK Beta Glucan Power Moisture Serum is a lightweight yet deeply hydrating serum that helps really boost moisture at different levels of the skin. It's got that beta glucan that we know is really helpful at hydrating the skin but also supporting the skin barrier. It's a good humectant as well and it's pretty lightweight. You can layer it under sunscreen, under your moisturizer, or in the summertime use it alone as almost like your moisturizer."
✓Yay
"This one is from iUNIK. It's the Beta Glucan Power Moisture Serum. Beta glucan again a very great barrier building ingredient. This dropper didn't do the best job there, but you can see it kind of has that sort of snail mucin feel to it. Absorbs super well into the skin and it's just going to give you that extra hydration that's going to give you that dewy skin."
✓Yay
"If you're dealing with tight, thirsty, dehydrated skin, I'd recommend the I Unique Betaglucan Power Moisture Serum. [...] Betaglucan is an amazing humectant for dehydrated skin because it sticks with your skin longer, hydrating it [...] in a more meaningful way than something thin and watery. The gel-like texture looks thicker in the bottle than it feels on the skin, and it [...] bursts into watery, refreshing, replenishing hydration. It really relieves your skin, [...] not just hydrates it."
Sponsored
All 5 takes from Kelly Driscoll
My Ultimate NIACINAMIDE FREE K-Beauty Routine For Sensitive Skin!
"This is the iUNIK Beta Glucan Power Moisture Serum. So this would be a great choice for anybody who is just really looking for a lot of hydration. Particularly beta glucan is great for kind of plumping up the skin. It has somewhat of a similar texture to like a snail mucin. It also has a lot of benefits for reducing inflammation."
Hydrating K-Beauty Serums for Summer!
"It's really a well-performing product any time of year, but I particularly found it useful for my sensitive, irritated, combination skin in the summertime because that gel texture is a little bit more meaty, medium weight on the skin. I think oily skin types may not love this one. This one might feel heavier for oily skin types. But if you have like a balanced skin type, combination skin especially, that's my skin type and I think even dry skin will appreciate what this offers to the skin."
Nourishing Serums for Fall! 🍁
"This is going to be a great pick if you have oily skin, combo skin, balance skin, even dry skin types. If you're looking for something that is going to hydrate your skin, plump and soothe your skin in a lighter gel texture that can still stand up to fall weather, this is a great pick for you. The serum features 40% of beta glucan, which is an amazing humectant for the skin."
4 iUNIK Products I'd Actually Recommend in 2026 (not sponsored)
"I think it's just a really great, simple, straightforward type of serum for sensitive skin. It has an incredibly minimal ingredients list [...] focused on the star ingredient, beta glucan, which is an amazing humectant ingredient often derived from mushrooms that's incredibly hydrating, [...] healing, and soothing. [...] The product itself has not changed since 2019, only the packaging and how the [...] ingredients are listed."
The Right Serum for Every Skin Concern | Find Yours
"If you're dealing with tight, thirsty, dehydrated skin, I'd recommend the I Unique Betaglucan Power Moisture Serum. [...] Betaglucan is an amazing humectant for dehydrated skin because it sticks with your skin longer, hydrating it [...] in a more meaningful way than something thin and watery. The gel-like texture looks thicker in the bottle than it feels on the skin, and it [...] bursts into watery, refreshing, replenishing hydration. It really relieves your skin, [...] not just hydrates it."

Frequently asked.

What is iUNIK Beta Glucan Power Moisture Serum?

A lightweight hydrating serum formulated with beta glucan, glycerin, and sodium PCA to boost moisture and support skin barrier function.

Is iUNIK Beta Glucan Power Moisture Serum worth it?

Yes. All 4 gurus who reviewed it give it their stamp of approval, for a Guru Score of 84%.

What is iUNIK Beta Glucan Power Moisture Serum's Guru Score?

iUNIK Beta Glucan Power Moisture Serum holds a Guru Score of 84%. That is our read on how warmly the experts talk about it, based on the verdicts of 4 expert reviewers we have collected.

Who is iUNIK Beta Glucan Power Moisture Serum best for?

iUNIK Beta Glucan Power Moisture Serum is generally suited to dry skin and sensitive skin.

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