Hyaluronic Acid 2% + B5 Serum
Multi-depth hydration serum with HA and vitamin B5.
About this product
This multi-weight hyaluronic acid serum from The Ordinary combines three forms of hyaluronic acid — high-molecular-weight HA for surface hydration, low-molecular-weight sodium hyaluronate for deeper penetration, and sodium hyaluronate crosspolymer for sustained release — alongside panthenol (B5) for barrier support. Lightweight and suitable for layering under any moisturiser.
Best for oily, dry, combination, normal, sensitive skin looking to address dryness, dehydration, fine lines — with a focus on hydration.
Product Attributes
pH Level
Mildly acidic — close to skin's natural pH (4.5–5.5). Generally well tolerated.
How to Use
- 1Apply a few drops to clean, damp skin before oils or cream-based serums.
- 2Gently pat into face and neck.
- 3Follow with a moisturizer.
- 4Can be used morning and evening.
Dermatologist Note
The addition of vitamin B5 (panthenol) enhances the film-forming and water-binding capacity of hyaluronic acid. Always apply to damp skin and seal with a moisturizer — hyaluronic acid without an occlusive on top can increase TEWL in low-humidity environments.
Based on published clinical literature and dermatological research.
Ingredient Analysis
Full Ingredient List (INCI)
5 ingredientsListed in order of concentration (highest first)
Hyaluronic Acid, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Panthenol, Glycerin
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