Products are split into three levels based on ingredient labels

GO
Best choice
SLOW
Contains ingredients with possible health concerns
STOP
Contains harmful ingredients
STOP

The Ordinary.

Alpha Arbutin (2%) + HA Serum

Last verified: April 10, 2026

  • Aqua (Water)
  • Alpha-Arbutin
  • Polyacrylate Crosspolymer-6
  • Hydrolyzed Sodium Hyaluronate
  • Propanediol
  • PPG-26-Buteth-26
  • PEG-40 Hydrogenated Castor Oil
  • Lactic Acid
  • Trisodium Ethylenediamine Disuccinate
  • Ethoxydiglycol
  • Phenoxyethanol
  • Chlorphenesin

Why This Product is Rated STOP

Alpha Arbutin (2%) + HA Serum by The Ordinary. has been evaluated by Million Marker and contains ingredients with known health concerns. This product is rated STOP, indicating higher concern.

We recommend avoiding STOP-rated products and seeking safer alternatives from our GO or SLOW categories.

Learn more about how Million Marker scores products →

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