The Ordinary
Alpha Arbutin 2% + HAA serum built around Vitamin C derivative and Vitamin C, for hydration and barrier repair.
A serum built around Alpha arbutin and AHA, for antioxidant protection and pollution defence.
Brand price
AUD 84.95 · checked 5 Oct 2026 · brand's site
Brand price
USD 10.35 · checked 25 Sept 2026 · brand's site
At a Glance
They come out differently on Fragrance-free and EU-allergen-free; those rows are shaded. Tap any answer to see why.
Key Ingredients
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Benefits
Hydrating4
Boosts hydration and relieves dry, tight skin.
Glycerin, Methyl Gluceth-20, Propanediol, Sodium Hyaluronate
Barrier Repair4
Strengthens and restores the skin's natural barrier.
Caprylyl Glycol, Glycerin, Glycyrrhiza Glabra Root Extract, Vitis Vinifera Seed Extract
Concerns
May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.
May Worsen Irritation2
May cause stinging, redness or sensitivity.
May Worsen Eczema2
May worsen itching or irritation for eczema-prone skin.
May Worsen Rosacea2
Can trigger flare-ups in rosacea-prone skin.
May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
Ingredients Side-by-side
Skin Conditioning
- Vitamin C
- Vitamin C derivative (stable)
- Antioxidant
- Brightening
- Dark Spots
Humectant
Emulsion Stabilising
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Skin Conditioning
Polysorbate 20 (in both products)
Cleansing
0 / 0
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Polysorbates (Tween emulsifiers)
- May Worsen Seborrheic Dermatitis
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Aqua
Solvent
Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →Sodium Citrate
Buffering, Chelating, Fragrance
Trisodium citrate
Learn more about Sodium Citrate →Phenoxyethanol
Antimicrobial, Preservative
Phenoxyethanol is the aromatic ether alcohol that conforms to the formula:
Learn more about Phenoxyethanol →Citric Acid
Buffering, Chelating, Fragrance
Citric Acid is an AHA.
Learn more about Citric Acid →Sodium Metabisulfite
Antioxidant, Preservative, Reducing
Sodium Metabisulfite is the inorganic salt that conforms to the formula:
Learn more about Sodium Metabisulfite →Polysorbate 20
Cleansing, Emulsifying
Polysorbate 20 isn't fungal acne safe.
Learn more about Polysorbate 20 →
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