Hyalu B5 Pure Hyaluronic Acid Face Serum
Summary of Reviews
La Roche-Posay Hyalu B5 Pure Hyaluronic Acid Face Serum is a hydrating staple that several creators have repurchased multiple times, noting it leaves skin plump and "juicy" while layering well under makeup. Board-certified dermatologist Dr. Aleksandra Brown highlights its soothing vitamin B5 and effectiveness for sensitive skin, recommending application on damp skin followed by moisturizer. No criticism was mentioned across the four creators, but the tacky finish is noted as a feature for makeup prep rather than a standalone texture.
Full Reviews
Positive
- “This is a staple serum for me because it makes my skin so plump, so moisturized. It's like a splash of water in the face”0:58–1:06
- “The consistency is so easy. It layers well with other products with makeup. It feels so hydrating on the skin and I can tell a difference on the days where I don't use this if I'm like testing out other stuff because my skin just feels parched like I'm missing something”1:24–1:29
- “This is unbelievable”
- Source: Most re-purchased beauty products ever - Oct 2, 2025
- “I love this. It is so good. This is my third bottle of it”3:40–3:47
- “Anti-wrinkle concentrate, repairing, replumping”3:53–3:58
- “When I use this, my skin looks juicy. It looks full”3:58–4:04
- “It also goes a little bit tacky so I actually love to use it underneath makeup”4:02–4:06
- “It's just the perfect base for makeup”4:11–4:14
- “It definitely deserves some flowers”4:16–4:19
- Source: Best of Beauty 2025: Skincare, Hair, Makeup & Fragrance - Dec 30, 2025
- “This one I actually really like”4:54–4:58
- “I used it for like 2 years. I've gone through like three bottles of it”5:09–5:13
- “Really really like it”5:11–5:15
- “Good simple hydrating serum if you're looking for something like that”5:17–5:24
- Source: Beauty empties: products I finished and would repurchase - Jul 23, 2026
- “This serum combines hyaluronic acid with vitamin B5 which is a soothing ingredient that helps repair the skin barrier”5:59–6:05
- “It's particularly effective for sensitive skin as it's hydrating without any irritation”6:05–6:11
- “The best time to apply this is on damp skin and you can still apply moisturizer on top”6:25–6:32
- “If your skin is really dry, mature and you want extra hydration, applying hyaluronic acid serum on damp skin followed by a regular AM moisturizer is going to really help lock that moisture in and plump your skin”6:34–6:41
- Source: Best Drugstore Skincare for Mature Skin, According to a Derm - Feb 8, 2026
Mixed / Negative
No negative reviews yet — creators have only had good things to say.
What creators say
- Consensus
- 4.6 / 5 from 4 creator reviewsGrailPeople ratings based on creator reviews.
- Features
- Hydrating (4) · Plumping (3)
Product details
Details
- Type
- facial serum
- Finish
- —
- Shade
- —
- Key ingredients
- Hyaluronic Acid, Vitamin B5, Glycerin, Madecassoside, Thermal Spring Water
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