Product, decoded
Hyalu B5 Serum
Hyalu B5 Serum is a serum by La Roche-Posay®, part of the Hyalu B5 range. It has a serum texture and is fragrance-free, in a 30ml / 50ml size.
Key ingredients
- Hyaluronic Acid (two molecular weights)A humectant that draws and holds water in the upper skin layers, leaving skin feeling plumper and more hydrated.
- Vitamin B5
- Madecassoside
- La Roche-Posay Thermal Spring Water
Best suited to
All skin types, especially dehydrated or early-aging skin
Focus areas
dehydrated skinthe look of fine linesdullnessthe look of firmness
At a glance
| Format | serum |
| Fragrance | fragrance-free |
| Size | 30ml / 50ml |
| When to use | morning and night |
| Price tier | mid-range |
🔒 IN THE APP
Is Hyalu B5 Serum right for YOUR skin? BLOOM's full verdict — plus how it compares and fits your routine — is in the app.
More from La Roche-Posay®
This page describes catalogued attributes of the product for reference; it is not an efficacy or safety claim, and not medical advice. Ingredient lists follow the manufacturer's packaging.
About this page. MHS BLOOM is an
independent skincare reference. This is an independent editorial review for identification and reference only — we are
not affiliated with, authorised by, endorsed by, or sponsored by La Roche-Posay or any brand or manufacturer, and no brand can pay to change a rating. All brand and product names are the trademarks or registered trademarks of their respective owners, used here for identification purposes only. Ingredient details follow the manufacturer's packaging and may change — always check the product's own label. Questions, corrections or complaints:
contact@mhsbloom.com.