Medik8
Liquid Peptides™The Inkey List
Hyaluronic Acid SerumA serum built around Hyaluronic acid and Panthenol, for hydration and smoothing.
A serum built around Hyaluronic acid, for hydration and anti-aging.
Brand price
GBP 59.00 · checked 8 Oct 2026 · brand's site
Brand price
USD 23.00 · checked 26 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 acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Hyaluronic acid2
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Peptides2
Short amino-acid chains used as signalling actives.

Benefits

Hydrating6
Boosts hydration and relieves dry, tight skin.
Acetyl Hexapeptide-8, Butylene Glycol, Glycerin, Panthenol, Pantolactone, Sodium Hyaluronate
Barrier Repair4
Strengthens and restores the skin's natural barrier.
Reduces Irritation2
Eases discomfort and supports skin resilience.
Anti-Aging4
Softens lines and helps skin look youthful.
Acetyl Hexapeptide-8, Heptapeptide-15 Palmitate, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1
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.

Concerns

May Worsen Seborrheic Dermatitis8
May feed the yeast involved in seborrheic dermatitis.
Acetyl Hexapeptide-8, Copper Palmitoyl Heptapeptide-14, Heptapeptide-15 Palmitate, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Palmitoyl Tripeptide-38, Palmitoyl Tripeptide-5, Polysorbate 20
May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Polysorbate 20

Ingredients Side-by-side

Cleansing
Polysorbate 20 (in both products)
Cleansing
0 / 0
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Polysorbates (Tween emulsifiers)
- May Worsen Seborrheic Dermatitis
Skin Conditioning
Leuconostoc/Radish Root Ferment Filtrate
Antimicrobial
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
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 →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →Carbomer
Emulsion Stabilising, Gel Forming, Viscosity Controlling
2-Propenoic acid, polymer with 2,2-bis(hydroxymethyl)propane-1,3-diol 2-propenyl ether
Learn more about Carbomer →Polysorbate 20
Cleansing, Emulsifying
Polysorbate 20 isn't fungal acne safe.
Learn more about Polysorbate 20 →Phenoxyethanol
Antimicrobial, Preservative
Phenoxyethanol is the aromatic ether alcohol that conforms to the formula:
Learn more about Phenoxyethanol →Palmitoyl Tripeptide-1
Skin Conditioning
Palmitoyl Tripeptide-1 isn't fungal acne safe.
Learn more about Palmitoyl Tripeptide-1 →Palmitoyl Tetrapeptide-7
Skin Conditioning
Palmitoyl Tetrapeptide-7 isn't fungal acne safe.
Learn more about Palmitoyl Tetrapeptide-7 →
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