Marine Hyaluronics
Serum
Lists exfoliating acid, salicylic acid
All 33 ingredients read
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Exfoliating acid
salicylic acid. Wear sunscreen in the day while you use it.
Fragrance-free serums
Reviews
All 33 ingredients
Marine Hyaluronics by The Ordinary lists 33 ingredients, in label order. Each line says what the ingredient does in the formula.
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aqua
Solvent
glycerin
Humectant
algae extract
pseudoalteromonas exopolysaccharides
pseudoalteromonas ferment extract
ahnfeltiopsis concinna extract
arginine
glycine
alanine
serine
valine
isoleucine
proline
threonine
histidine
phenylalanine
aspartic acid
pca
sodium pca
sodium lactate
salicylic acid
Exfoliant (BHA)
citric acid
pH adjuster
propanediol
Solvent · humectant
dimethyl isosorbide
ethoxydiglycol
polysorbate 20
Emulsifier
potassium sorbate
Preservative
sodium salicylate
sodium benzoate
Preservative
hexylene glycol
1,2-hexanediol
phenoxyethanol
Preservative
caprylyl glycol
Humectant · preservative booster
Ingredients: The Ordinary website · Updated October 21, 2026