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The Ordinary
Multi Peptide + Ha Serum ("Buffet")

Versus

Oskia
Isotonic Hydra Serum

Product category and function

Multi Peptide + Ha Serum ("Buffet")

Isotonic Hydra Serum

Serums/Treatments	Serums/Treatments
Concentrated formulas for hydrating and addressing skin issues.	Concentrated formulas for hydrating and addressing skin issues.
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Ingredient highlights

Multi Peptide + Ha Serum ("Buffet")

Isotonic Hydra Serum

Ingredient info	Ingredient info
Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free vegan cruelty-free	Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free

Full ingredient list

Multi Peptide + Ha Serum ("Buffet")

Isotonic Hydra Serum

No. of common ingredients = 0
Aqua (water), glycerin, lactococcus ferment lysate, acetyl hexapeptide-8, pentapeptide-18, palmitoyl tripeptide-1, palmitoyl tetrapeptide-7, palmitoyl tripeptide-38, dipeptide diaminobutyroyl benzylamide diacetate, acetylarginyltryptophyl diphenylglycine, sodium hyaluronate crosspolymer, sodium hyaluronate, allantoin, glycine, alanine, serine, valine, isoleucine, proline, threonine, histidine, phenylalanine, arginine, aspartic acid, trehalose, fructose, glucose, maltose, urea, sodium pca, pca, sodium lactate, citric acid, hydroxypropyl cyclodextrin, sodium chloride, sodium hydroxide, butylene glycol, pentylene glycol, acacia senegal gum, xanthan gum, carbomer, polysorbate 20, ppg-26-buteth-26, peg-40 hydrogenated castor oil, trisodium ethylenediamine disuccinate, ethoxydiglycol, sodium benzoate, caprylyl glycol, ethylhexylglycerin, phenoxyethanol, chlorphenesin 18	Lavandula angustifolia flower water, aqua (water), glycerin, dimethyl sulfone (msm), niacinamide (vitamin b3), panthenol (provitamin b5), acetyl glucosamine, leuconostoc/radish root ferment filtrate, gluconolactone, sodium hyaluronate, avena sativa (oat) kernel extract (oat ceramides), calcium ketogluconate, betaine, sodium gluconate, sodium chloride (himalayan salt), sodium pca, bisabolol, aesculus hippocastanum (horse chestnut) seed extract, butyrospermum parkii (shea) butter, potassium chloride, pentapeptide-59, polyglutamic acid, pca, sodium lactate, serine, alanine, glycine, glutamic acid, lysine hcl, threonine, arginine, proline, inulin carbamate, sclerotium gum, hydrogenated lecithin, pullulan, silica, maltodextrin, citric acid, sodium benzoate, xanthan gum, lecithin, sodium hydroxide, ethylhexylglycerin, potassium sorbate, alcohol, phenethyl alcohol

No. of common ingredients = 0

Total Number of ingredients = 51

Total Number of ingredients = 47

Aqua (water), glycerin, lactococcus ferment lysate, acetyl hexapeptide-8, pentapeptide-18, palmitoyl tripeptide-1, palmitoyl tetrapeptide-7, palmitoyl tripeptide-38, dipeptide diaminobutyroyl benzylamide diacetate, acetylarginyltryptophyl diphenylglycine, sodium hyaluronate crosspolymer, sodium hyaluronate, allantoin, glycine, alanine, serine, valine, isoleucine, proline, threonine, histidine, phenylalanine, arginine, aspartic acid, trehalose, fructose, glucose, maltose, urea, sodium pca, pca, sodium lactate, citric acid, hydroxypropyl cyclodextrin, sodium chloride, sodium hydroxide, butylene glycol, pentylene glycol, acacia senegal gum, xanthan gum, carbomer, polysorbate 20, ppg-26-buteth-26, peg-40 hydrogenated castor oil, trisodium ethylenediamine disuccinate, ethoxydiglycol, sodium benzoate, caprylyl glycol, ethylhexylglycerin, phenoxyethanol, chlorphenesin

Lavandula angustifolia flower water, aqua (water), glycerin, dimethyl sulfone (msm), niacinamide (vitamin b3), panthenol (provitamin b5), acetyl glucosamine, leuconostoc/radish root ferment filtrate, gluconolactone, sodium hyaluronate, avena sativa (oat) kernel extract (oat ceramides), calcium ketogluconate, betaine, sodium gluconate, sodium chloride (himalayan salt), sodium pca, bisabolol, aesculus hippocastanum (horse chestnut) seed extract, butyrospermum parkii (shea) butter, potassium chloride, pentapeptide-59, polyglutamic acid, pca, sodium lactate, serine, alanine, glycine, glutamic acid, lysine hcl, threonine, arginine, proline, inulin carbamate, sclerotium gum, hydrogenated lecithin, pullulan, silica, maltodextrin, citric acid, sodium benzoate, xanthan gum, lecithin, sodium hydroxide, ethylhexylglycerin, potassium sorbate, alcohol, phenethyl alcohol

Notable ingredients

Multi Peptide + Ha Serum ("Buffet")

Isotonic Hydra Serum

Soothing: Allantoin

Cell-signaling ingredient: Dipeptide diaminobutyroyl benzylamide diacetate, Palmitoyl tetrapeptide-7

Solvent: Aqua (water), Butylene glycol, Ethoxydiglycol, Glycerin, Pentylene glycol

Anti-acne: Niacinamide (vitamin b3)

Soothing: Niacinamide (vitamin b3), Bisabolol, Panthenol (provitamin b5)

Skin brightening: Niacinamide (vitamin b3), Acetyl glucosamine

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Ingredients with their functions

Multi Peptide + Ha Serum ("Buffet")

Isotonic Hydra Serum

Aqua (water)

Also-called: Aqua, Aqua/Water, Water/Aqua/Eau, Aqua/Water/Eau | Function: Skin conditioning, Solvent

Water serves as a fundamental component in skincare products, often listed as the first ingredient, which means it's the most abundant. It acts as a solvent, helping to dissolve other ingredients and facilitate the application and absorption of products.

Glycerin

Also-called: Glycerol | Function: Skin-identical ingredient, Viscosity controlling, Skin protecting, Skin conditioning, Humectant/Moisturizer, Solvent