The Inkey List
Hyaluronic Acid SerumA serum built around Hyaluronic acid, for hydration and anti-aging.
A serum built around Hyaluronic acid and Copper peptides, for hydration and barrier repair.
Brand price
USD 23.00 · checked 26 Sept 2026 · brand's site
Brand price
USD 32.99 · checked 8 Oct 2026 · brand's site
At a Glance
They come out differently on Silicone-free; that row is shaded. Tap any answer to see why.
Key Ingredients
Hyaluronic acid2
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Peptides2
Short amino-acid chains used as signalling actives.
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Copper peptides2
Copper-bound peptides studied for repair and firmness.
Benefits
Hydrating6
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Glycerin, Hyaluronic Acid, Propanediol, Sodium Hyaluronate, Sodium Lactate
Anti-Aging2
Softens lines and helps skin look youthful.
Hydrating10
Boosts hydration and relieves dry, tight skin.
Bis-Peg-18 Methyl Ether Dimethyl Silane, Butylene Glycol, Fructooligosaccharides, Glycerin, Lactic Acid, PEG-8, Potassium Lactate, Propanediol, Saccharide Isomerate, Sodium Hyaluronate
Barrier Repair4
Strengthens and restores the skin's natural barrier.
Bis-Peg-18 Methyl Ether Dimethyl Silane, Copper Gluconate, Glycerin, Silica Dimethyl Silylate
Concerns
May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Polysorbate 20
May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.
Ingredients Side-by-side
Water (in both products)
Skin Conditioning
Leuconostoc/Radish Root Ferment Filtrate
Antimicrobial
Water (in both products)
Skin Conditioning
Cleansing
- Fatty acids (stearic, oleic, lauric)
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Possibly animal-derived
- May Worsen Seborrheic Dermatitis
Cleansing
Humectant
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →
Similar Comparisons
Each product against its closest dupes.
- View the comparison
The Inkey List
Hyaluronic Acid Serum
Paula's Choice
Hyaluronic Acid Booster
- View the comparison
RoC
Hydration+ Serum Stick
RoC
DERM CORREXION® Firming Serum Stick
- View the comparison
The Inkey List
Hyaluronic Acid Serum
Minimalist
Multi-Peptides 10% Face Serum
- View the comparison
The Inkey List
Hyaluronic Acid Serum
The Ordinary
Matrixyl 10% + HA