The Ordinary
Amino Acids + B5The Ordinary
Multi-Peptide + HA SerumA serum built around Panthenol and Lactic acid, for hydration and barrier repair.
A serum built around Peptides and Hyaluronic acid, for hydration and smoothing.
Brand price
USD 8.28 · checked 25 Sept 2026 · brand's site
Brand price
USD 17.91 · checked 25 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
Hyaluronic acid2
Hyaluronic acid and its salts; a humectant that binds water to the skin.
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.
Hydrating15
Boosts hydration and relieves dry, tight skin.
Acetyl Hexapeptide-8, Butylene Glycol, Ethoxydiglycol, Fructose, Glucose, Glycerin, Histidine, Maltose, PCA, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Sodium Lactate, Sodium PCA, Trehalose, Urea
Barrier Repair3
Strengthens and restores the skin's natural barrier.
Reduces Irritation2
Eases discomfort and supports skin resilience.
Concerns
May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.
May Worsen Seborrheic Dermatitis7
May feed the yeast involved in seborrheic dermatitis.
Acetyl Hexapeptide-8, Acetylarginyltryptophyl Diphenylglycine, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Palmitoyl Tripeptide-38, PEG-40 Hydrogenated Castor Oil, Polysorbate 20
Ingredients Side-by-side
PCA (in both products)
Humectant
Skin Conditioning
Humectant
- Fatty alcohols (Malassezia)
- Peptides
- Anti-Aging
- Firming
- Smoothing
- May Worsen Seborrheic Dermatitis
Skin Conditioning
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Peptides
- Anti-Aging
- Firming
- May Worsen Seborrheic Dermatitis
Skin Conditioning
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Peptides
- Anti-Aging
- Firming
- Reduces Irritation
- May Worsen Seborrheic Dermatitis
Skin Conditioning
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Dipeptide Diaminobutyroyl Benzylamide Diacetate
Skin Conditioning
Acetylarginyltryptophyl Diphenylglycine
Skin Conditioning
- Fatty alcohols (Malassezia)
- May Worsen Seborrheic Dermatitis
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
Sodium PCA
Antistatic, Hair Conditioning, Humectant, Skin Conditioning
Sodium 5-oxo-2-pyrrolidinecarboxylate
Learn more about Sodium PCA →Sodium Lactate
Buffering, Humectant, Keratolytic
Sodium Lactate is lactic acid.
Learn more about Sodium Lactate →Arginine
Antistatic, Fragrance, Hair Conditioning, Skin Conditioning
L-Arginine
Learn more about Arginine →PCA
Humectant, Moisturising
L-2-Pyrrolidone-5-carboxylic acid
Learn more about PCA →Aspartic Acid
Antistatic, Fragrance, Hair Conditioning, Skin Conditioning
Aspartic acid
Learn more about Aspartic Acid →Glycine
Antistatic, Buffering, Hair Conditioning, Skin Conditioning
Glycine
Learn more about Glycine →Alanine
Antistatic, Fragrance, Hair Conditioning, Skin Conditioning
Alanine
Learn more about Alanine →Serine
Antistatic, Fragrance, Hair Conditioning, Skin Conditioning
2-Amino-3-hydroxypropanoic acid
Learn more about Serine →Threonine
Antistatic, Hair Conditioning, Hair Waving Or Straightening
2-Amino-3-hydroxybutanoic acid
Learn more about Threonine →
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