Glow Simplified
Check your shelf

Head to head

iUNIK Beta Glucan Power Moisture Serum vs La Roche-Posay Hyalu B5 Suractivated Serum

Same comparison whichever way you searched it: La Roche-Posay Hyalu B5 Suractivated Serum vs iUNIK Beta Glucan Power Moisture Serum.

The bottom line

iUNIK Beta Glucan Power Moisture Serum and La Roche-Posay Hyalu B5 Suractivated Serum are close on what they deliver, so it comes down to your skin: iUNIK Beta Glucan Power Moisture Serum is the kinder pick for sensitive or reactive skin since it is fragrance-free.

Reviewed by Maya FaourLast reviewed August 2026
iUNIKBeta Glucan Power Moisture SerumSerum · ~€16See every ingredient in Beta Glucan Power Moisture Serum, decoded
La Roche-PosayHyalu B5 Suractivated SerumSerum · ~$40See every ingredient in Hyalu B5 Suractivated Serum, decoded

Which should you pick?

Pick Beta Glucan Power Moisture Serum if

  • your skin is sensitive or reacts to fragrance
  • you want the more affordable option
  • you are prone to fungal acne (malassezia)

Pick Hyalu B5 Suractivated Serum if

  • you want more actives working at once

What each delivers

HydrationBarrierBrighteningOil-controlAnti-aging
Beta Glucan Power Moisture SerumHyalu B5 Suractivated Serum
  • Hydration
    1010
  • Barrier repair
    78
  • Brightening / tone
    23
  • Oil-control & blemishes
    33
  • Anti-aging
    67

Side by side

Beta Glucan Power Moisture SerumHyalu B5 Suractivated Serum
TypeSerumSerum
Key activesGlycerin, Sodium PCA, AdenosineGlycerin, Pro-vitamin B5, Hyaluronic acid
TextureA light, fast-absorbing texture that layers cleanly under the rest of your routine, with no greasy film.A light, fast-absorbing texture that layers cleanly under the rest of your routine, with no greasy film.
FragranceNone detectedContains fragrance
Fungal-acne safeLikelyNot likely
PregnancyNo flagged activesNo flagged actives
Ingredients10 listed32 listed
Price~€16~$40

What's in one but not the other

Only in Beta Glucan Power Moisture Serum

Both share

Only in Hyalu B5 Suractivated Serum

The molecule doing the work

Beta Glucan Power Moisture SerumGlycerin
Hyalu B5 Suractivated SerumGlycerin

Better for…

  • Dryness & dehydrationEither works
  • Sensitive, reactive skinBeta Glucan Power Moisture Serum

iUNIK Beta Glucan Power Moisture Serum is the cheaper of the two (~€16 vs ~$40).

Ready to pick one?

Beta Glucan Power Moisture Serum on amazon.comHyalu B5 Suractivated Serum on amazon.com

Affiliate links, so a purchase sends us a small commission at no extra cost to you. As an Amazon Associate, Glow Simplified earns from qualifying purchases. We make and sell nothing here, so the verdict above never bends toward a sale.

Common questions

Is iUNIK Beta Glucan Power Moisture Serum or La Roche-Posay Hyalu B5 Suractivated Serum better for sensitive, reactive skin?

For sensitive, reactive skin, iUNIK Beta Glucan Power Moisture Serum is the stronger pick by our read of the two formulas. iUNIK Beta Glucan Power Moisture Serum and La Roche-Posay Hyalu B5 Suractivated Serum are close on what they deliver, so it comes down to your skin: iUNIK Beta Glucan Power Moisture Serum is the kinder pick for sensitive or reactive skin since it is fragrance-free.

Which is cheaper, iUNIK Beta Glucan Power Moisture Serum or La Roche-Posay Hyalu B5 Suractivated Serum?

iUNIK Beta Glucan Power Moisture Serum is the cheaper of the two (~€16 vs ~$40).

Can I use iUNIK Beta Glucan Power Moisture Serum and La Roche-Posay Hyalu B5 Suractivated Serum together?

They are both serums, so you would normally pick one rather than layer both in the same step. You can keep both and alternate them (morning and night, or on different days) if you like variety, but you do not need two.

Compare it with…

VSThe OrdinaryMulti-Peptide + HA SerumShares Sodium PCAVSThe OrdinaryHyaluronic Acid 2% + B5 (with Ceramides)Shares Hydrolyzed hyaluronic acid and Pro-vitamin B5
All 33 comparisons