The Ordinary
Amino Acids + B5The Inkey List
10% Azelaic Acid Serum for Redness ReliefA serum built around Panthenol and Lactic acid, for hydration and barrier repair.
A serum built around Azelaic acid, for pollution defence and hydration.
Brand price
USD 8.28 · checked 25 Sept 2026 · brand's site
Brand price
USD 20.00 · checked 26 Sept 2026 · brand's site
At a Glance
Every check both products could be assessed on comes out the same. Tap any answer to see why.
Key Ingredients
Benefits
Hydrating8
Boosts hydration and relieves dry, tight skin.
Betaine, Glutamic Acid, Histidine, Panthenol, PCA, Propanediol, Sodium Lactate, Sodium PCA
Barrier Repair3
Strengthens and restores the skin's natural barrier.
Concerns
May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.
May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Ingredients Side-by-side
Humectant
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion Stabilising
Fragrance
Skin Conditioning
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 →
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