The Ordinary Hyaluronic Acid 2% + B5: Deep Hydration for Plumper, Smoother Skin
A lightweight, fast‑absorbing serum that locks moisture in and supports your skin’s natural barrier.
Feel confident with skin that looks refreshed, supple, and visibly smoother.
Review updated August 27, 2026
Quick answer
The Ordinary Hyaluronic Acid 2% + B5 serum provides deep, multi‑layer hydration while reinforcing the skin barrier, making it ideal for anyone seeking smoother, plumper skin. It combines five types of hyaluronic acid for lasting moisture and adds ceramides and vitamin B5 to lock in hydration and improve elasticity. Reviewers note its lightweight texture and quick absorption, leaving skin feeling refreshed without stickiness.
Get it if ✓
- People with dry or dehydrated skin
- Those looking to smooth fine lines without heavy creams
- Anyone who wants a fragrance‑free, vegan serum
Forget it if ✕
- Users who prefer scented skincare
- Those needing a thick, occlusive moisturizer for extreme dryness
Dry, tight skin can make you feel uncomfortable and highlight fine lines, especially after cleansing or during seasonal changes. When moisture slips away, the skin barrier weakens, leaving you searching for a product that truly restores hydration without a heavy feel.
The Ordinary Hyaluronic Acid 2% + B5 serum promises instant, long‑lasting hydration while reinforcing the skin’s protective barrier, giving you smoother, plumper skin that feels healthy and refreshed.
Why it stands out
- Instant, long‑lasting hydration
- Ceramides for barrier reinforcement
- Five molecular weights of hyaluronic acid
- Vitamin B5 boosts moisture retention
- Lightweight, non‑sticky texture
- Fragrance‑free, vegan, cruelty‑free
What each feature gives you
5 types of hyaluronic acid — Delivers moisture to surface and deeper layers, so skin stays supple and looks fuller
Ceramides — Locks in hydration and strengthens the barrier, reducing dryness and irritation
Pro‑vitamin B5 — Enhances water‑binding capacity, leaving skin feeling soft and resilient
Lightweight serum texture — Absorbs quickly without stickiness, perfect under makeup or moisturizer
Where it shines
- Morning routine after cleansing to lock in moisture before sunscreen
- Nighttime application to support skin repair while you sleep
- Layer under makeup for a smooth, hydrated canvas
- Travel kit essential for dry airplane cabins
Both sides, weighed
What buyers love
- Immediate, noticeable hydration
- Lightweight and non‑sticky feel
- Supports skin barrier with ceramides
- Highly praised by users for smoother skin
- Suitable for all skin types
Worth knowing
- Very thin bottle may feel fragile
- Some users note a slight tackiness on very dry skin
- No added fragrance may be less appealing to scent‑loving users
Your questions, answered
I have very dry, mature skin – will this be enough?
The serum’s combination of five hyaluronic acids, ceramides and vitamin B5 provides multi‑layer moisture and barrier support, which reviewers with mature skin say reduces fine lines and improves softness.
Specs at a glance
| Item Form | Serum |
| Volume | 1 fluid ounce |
| Skin Type | All |
| Key Ingredients | Hyaluronic Acid, Ceramides, Vitamin B5 |
How it measures up
| Hydration depth | Excellent | Five types of hyaluronic acid reach multiple skin layers |
| Barrier support | Very good | Ceramides lock in moisture and protect skin |
| Texture | Excellent | Lightweight, absorbs quickly without stickiness |
| Ingredient safety | Very good | Cruelty‑free, vegan, aluminum‑free, silicone‑free |
| Fragrance | Excellent | Fragrance‑free formula suitable for sensitive skin |
What real buyers say
5★ “It leaves my skin feeling soft, smooth and refreshed without any stickiness.”
5★ “My skin looks plumper and fine lines appear less deep after regular use.”
5★ “Lightweight texture spreads easily on damp skin and absorbs quickly.”
FAQ
How often should I use The Ordinary Hyaluronic Acid 2% + B5?
Apply twice daily after cleansing; the serum absorbs quickly and can be layered under moisturizer or sunscreen for continuous hydration.
Can I use this serum with other active ingredients?
Yes, its fragrance‑free, silicone‑free formula works well with retinol, niacinamide or other actives without causing irritation.
Is this serum suitable for sensitive skin?
The serum is fragrance‑free, vegan and free of common irritants, making it a safe choice for most sensitive skin types.
What makes this serum different from other hyaluronic acid products?
It blends five molecular weights of hyaluronic acid plus ceramides and vitamin B5, delivering hydration at multiple skin depths while reinforcing the barrier.
Will the serum leave a sticky residue?
No, users report a lightweight, non‑sticky finish that feels fresh and absorbs within seconds.
Top-rated · loved by tens of thousands of buyers
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