Verdict: CeraVe Hydrating Hyaluronic Acid Face Serum ($15) is a 84% match dupe for La Roche-Posay Hyalu B5 Hydrating Serum ($45) — 67% cheaper for a comparable formula. Full price and ingredient comparison below.
By the BeautyFlow Research Team · Updated July 2026
The Original
Hyalu B5 Hydrating Serum
$45The Dupe
Save 67%Hydrating Hyaluronic Acid Face Serum
$15Curated by BeautyFlow editors
Know who found this first?
Ingredient Comparison
Ingredient data coming soon
Ingredient data coming soon
Frequently Asked Questions
Is CeraVe Hydrating Hyaluronic Acid Face Serum a good dupe for La Roche-Posay Hyalu B5 Hydrating Serum?
Yes — CeraVe Hydrating Hyaluronic Acid Face Serum is a 84% match for La Roche-Posay Hyalu B5 Hydrating Serum based on ingredient and formula comparison, at 67% less ($15 vs $45).
How much cheaper is CeraVe Hydrating Hyaluronic Acid Face Serum than La Roche-Posay Hyalu B5 Hydrating Serum?
CeraVe Hydrating Hyaluronic Acid Face Serum costs $15 versus $45 for La Roche-Posay Hyalu B5 Hydrating Serum — a saving of $30 (67% less).
What is the difference between La Roche-Posay Hyalu B5 Hydrating Serum and CeraVe Hydrating Hyaluronic Acid Face Serum?
The main difference is price — La Roche-Posay Hyalu B5 Hydrating Serum costs $30 more. Formulas are closely matched in our comparison, though packaging and shade ranges may differ. See the full ingredient table on this page for the exact overlap.
Get Alerts for New La Roche-Posay Dupes
Be first to know when we verify a cheaper match for Hyalu B5 Hydrating Serum — plus weekly top dupe finds
Other Dupes for Hyalu B5 Hydrating Serum
Community Photos
Community Discussion
Build Your Complete Routine
Get personalized product recommendations with dupes for every step — tailored to your skin type, concerns, and budget.
Get My Routine