The INKEY List Q10 Serum Versus The Ordinary Amino Acids + B5
Updated on July 10, 2025
Overview
What they are
These products are both vegan, cruelty-free, and reef safe serums. They have a total of 3 ingredients in common
Suited For
They're both likely to be good for anti aging, dry skin, sensitive skin, scar healing and dark spots
Free From
They both do not contain any harsh alcohols, common allergens, fragrances, parabens or sulfates
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
The INKEY List Q10 Serum 28 ingredients
The Ordinary Amino Acids + B5 26 ingredients
What's inside
What's inside
At a glance
Click on any of the items below to learn more
The INKEY List Q10 Serum 28 ingredients
The Ordinary Amino Acids + B5 26 ingredients
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningButylene Glycol
Humectant
Propanediol
Solvent
Glycerin
Humectant
Dicaprylyl Carbonate
EmollientCaprylic/Capric Triglyceride
Masking
Dimethicone
Emollient
Phenoxyethanol
Preservative
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion StabilisingCaprylyl Glycol
Emollient
Squalane
Emollient
Phospholipids
Skin Conditioning
Lecithin
Emollient
Glycine Soja Oil
Emollient
Carbomer
Emulsion StabilisingPolysorbate 60
Emulsifying
Tocopheryl Acetate
Antioxidant
Ubiquinone
Antioxidant
Sodium Phytate
Glycolipids
Skin ConditioningSorbitan Isostearate
Emulsifying
Sodium Hydroxide
BufferingGlycine Soja Sterols
Emollient
Leuconostoc/Radish Root Ferment Filtrate
Antimicrobial
Hyaluronic Acid
Humectant
Tocopherol
Antioxidant
Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine
Skin Conditioning
Palmitoyl Dipeptide-5 Diaminohydroxybutyrate
Skin Conditioning
Water, Butylene Glycol, Propanediol, Glycerin, Dicaprylyl Carbonate, Caprylic/Capric Triglyceride, Dimethicone, Phenoxyethanol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Caprylyl Glycol, Squalane, Phospholipids, Lecithin, Glycine Soja Oil, Carbomer, Polysorbate 60, Tocopheryl Acetate, Ubiquinone, Sodium Phytate, Glycolipids, Sorbitan Isostearate, Sodium Hydroxide, Glycine Soja Sterols, Leuconostoc/Radish Root Ferment Filtrate, Hyaluronic Acid, Tocopherol, Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine, Palmitoyl Dipeptide-5 Diaminohydroxybutyrate
Water
Skin ConditioningPropanediol
Solvent
Betaine
Humectant
Sodium PCA
Humectant
Panthenol
Skin Conditioning
Sodium Lactate
BufferingArginine
Masking
PCA
Humectant
Aspartic Acid
Masking
Glycine
Buffering
Alanine
MaskingSerine
Masking
Threonine
Valine
MaskingProline
Skin ConditioningIsoleucine
Skin ConditioningLysine Hcl
Skin Conditioning
Histidine
Humectant
Phenylalanine
Masking
Glutamic Acid
Humectant
Citric Acid
Buffering
Dimethyl Isosorbide
SolventPolysorbate 20
Emulsifying
Trisodium Ethylenediamine Disuccinate
1,2-Hexanediol
Skin Conditioning
Caprylyl Glycol
Emollient
Water, Propanediol, Betaine, Sodium PCA, Panthenol, Sodium Lactate, Arginine, PCA, Aspartic Acid, Glycine, Alanine, Serine, Threonine, Valine, Proline, Isoleucine, Lysine Hcl, Histidine, Phenylalanine, Glutamic Acid, Citric Acid, Dimethyl Isosorbide, Polysorbate 20, Trisodium Ethylenediamine Disuccinate, 1,2-Hexanediol, Caprylyl Glycol
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.
It is a common ingredient in many products, especially those designed to hydrate skin. The primary benefits are retaining moisture, skin softening, and promoting a healthy skin barrier.
Though Caprylyl Glycol is an alcohol derived from fatty acids, it is not the kind that can dry out skin.
This ingredient is also used as a preservative to extend the life of products. It has slight antimicrobial properties.
Learn more about Caprylyl GlycolPropanediol is an all-star ingredient. It softens, hydrates, and smooths the skin.Â
It’s often used to:
Propanediol is not likely to cause sensitivity and considered safe to use. It is derived from corn or petroleum with a clear color and no scent.
Learn more about PropanediolWater. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.
You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Stay hydrated!
Learn more about WaterIngredient Ratings
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When to use
The INKEY List Q10 Serum 28 ingredients
The Ordinary Amino Acids + B5 26 ingredients
Reviews
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