The Ordinary · Treatment suspension
Azelaic Acid Suspension 10%
Spain · Formula verified 2026-07-14
Why this formula was selected
The brand publishes 10% azelaic acid, the INCI list, regional sizes, and pH. TIER does not infer the concentration of other ingredients.
Selection is based on an official formula source, region, and capture date. It does not influence ingredient rank.
Declared active ingredients
What the formula may support
A strong multi-purpose choice for post-blemish marks, especially when acne or redness also matters.
The most goal-directed option here when redness overlaps with blemishes, though it can sting initially.
A useful multi-goal option when blemishes, marks, and redness overlap.
What cannot be concluded
TIER does not assign universal efficacy to a product. A complete formula can behave differently from an isolated ingredient, and INCI order cannot reveal unpublished concentrations.
Full INCI
- Aqua (Water)
- Isodecyl Neopentanoate
- Dimethicone
- Azelaic Acid
- Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer
- Dimethyl Isosorbide
- Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
- Polysilicone-11
- Isohexadecane
- Tocopherol
- Trisodium Ethylenediamine Disuccinate
- Isoceteth-20
- Polysorbate 60
- Triethanolamine
- Ethoxydiglycol
- Phenoxyethanol
- Chlorphenesin
Version and verification
Official source captured 2026-07-14 · Spain. Brands reformulate; always compare against your package.