
Image: theordinary.com
The Ordinary
Hyaluronic Acid 2% + B5 (Original Formulation)
A serum built around Hyaluronic acid and Panthenol, for hydration and barrier repair.
Brand price
USD 8.01 · checked 25 Sept 2026 · on the brand's site
From the brand
What the brand says about this product. Our ingredient analysis follows below.
The brand recommends it for
- Normal skin
- Dryness & dehydration
How to use
Apply a few drops to the face in the morning and evening. If irritation occurs, rinse off, cease use, and consult a physician. Use only as directed on unbroken skin. Patch testing prior to use is advised. Keep out of reach of children.
Caution
If irritation occurs, rinse off, cease use, and consult a physician. Use only as directed on unbroken skin. Patch testing prior to use is advised. Keep out of reach of children.
What's inside
Ingredients List
1 trigger at least one check · 16 trigger none
- Panthenol (provitamin B5)
- Barrier Repair
- Hydrating
- Reduces Irritation
Key Ingredients
Hyaluronic acid2
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Benefits
Hydrating6
Boosts hydration and relieves dry, tight skin.
Ethoxydiglycol, Glycerin, Panthenol, Propanediol, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer
Barrier Repair3
Strengthens and restores the skin's natural barrier.
Concerns
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Ingredients Explained
Click on any ingredient to learn more about it
Aqua
Solvent
Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →Pentylene Glycol
Skin Conditioning, Solvent
1,2-Dihydroxypentane
Learn more about Pentylene Glycol →Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →Sodium Hyaluronate Crosspolymer
Humectant, Skin Conditioning
Sodium Hyaluronate Crosspolymer is a hyaluronic acid.
Learn more about Sodium Hyaluronate Crosspolymer →Panthenol
Antistatic, Hair Conditioning, Skin Conditioning
Panthenol is panthenol (provitamin B5).
Learn more about Panthenol →Ahnfeltia Concinna Extract
Skin Conditioning
Ahnfeltia Concinna Extract (Retired) is the extract of the alga, Ahnfeltia concinna. The INCI Name, Ahnfeltia Concinna Extract, originally published in 1996, was designated with a retired status in 2015. For an interim period of time, trade name assignments formerly published with the INCI Name Ahnfeltia Concinna Extract will be retained in the retired monograph, and also published with the new name assignment based on the current genus and species name, Ahnfeltiopsis Concinna Extract.
Learn more about Ahnfeltia Concinna Extract →Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →Trisodium Ethylenediamine Disuccinate
Chelating
L-Aspartic acid, N,N'-1,2-ethanediylbis-, trisodium salt
Learn more about Trisodium Ethylenediamine Disuccinate →Citric Acid
Buffering, Chelating, Fragrance
Citric Acid is an AHA.
Learn more about Citric Acid →
Dupes
- The Ordinary Hyaluronic Acid 2% + B5 (with Ceramides)83% match
- Geek & Gorgeous HA 5 Rich74% match
- Geek & Gorgeous HA 5 Light72% match
- Medik8 Hydr8 B5™70% match
- Minimalist Vitamin C + E + Ferulic 16% Face Serum68% match
- The Derma Co 2% Salicylic Acid Face Serum for Active Acne68% match