The Shelf · French Pharmacy Skincare We'd Fill a Suitcase With
No. 07 in Edit 021
La Roche-Posay Hyalu B5 Serum
French pharmacy hydration with the two supporting acts that matter: B5 and madecassoside alongside the hyaluronic acid everyone leads with. The rare hydrating serum that soothes while it plumps the look of the skin.
Shop at Dermstore
Affiliate link. Price and availability are set by Dermstore.
Why we like the Hyalu B5 Serum
- Hydration plus comfort in one layer
- Thirty four dollars for hyaluronic acid, B5 and madecassoside
- Sits under everything
- Texture
- A cushiony hydrating serum
- Key ingredients
- Hyaluronic acid · Vitamin B5 · Madecassoside
- Fragrance
- Not stated
- Skin type
- Dehydrated
- Best for
- Dehydrated skin · Under moisturizer, any routine · Retinoid users needing a buffer
- Works on
- Dehydration · Fine lines · Barrier comfort
- Made in
- France
- Where to buy
- Dermstore
- Price when checked
- $39.99 on 2026-09-09
- Listing checked
- 2026-09-03
Our verdict on the La Roche-Posay Hyalu B5 Serum
Wear it under the retinoid, not instead of one.
Some links below are affiliate links. If you buy through them, SkinSourcer may earn a commission at no additional cost to you. It never changes what we pick or what you pay.
Where the Hyalu B5 Serum sits on The Shelf
The rest of French Pharmacy Skincare We'd Fill a Suitcase With
Reviewed 2026-08-09. La Roche-Posay Hyalu B5 Serum appears in French Pharmacy Skincare We'd Fill a Suitcase With. Every product on The Shelf is listed in the product index.