The Inkey List
Hyaluronic Acid SerumMedik8
Liquid Peptides™A serum built around Hyaluronic acid, for hydration and anti-aging.
A serum built around Hyaluronic acid and Panthenol, for hydration and smoothing.
Brand price
USD 23.00 · checked 26 Sept 2026 · brand's site
Brand price
GBP 59.00 · checked 8 Oct 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.
Peptides2
Short amino-acid chains used as signalling actives.
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.

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.
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

Concerns

May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Polysorbate 20
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

Ingredients Side-by-side

Skin Conditioning
Leuconostoc/Radish Root Ferment Filtrate
Antimicrobial
Cleansing
Polysorbate 20 (in both products)
Cleansing
0 / 0
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Polysorbates (Tween emulsifiers)
- 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.
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 →Phenoxyethanol
Antimicrobial, Preservative
Phenoxyethanol is the aromatic ether alcohol that conforms to the formula:
Learn more about Phenoxyethanol →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 →Palmitoyl Tetrapeptide-7
Skin Conditioning
Palmitoyl Tetrapeptide-7 isn't fungal acne safe.
Learn more about Palmitoyl Tetrapeptide-7 →Palmitoyl Tripeptide-1
Skin Conditioning
Palmitoyl Tripeptide-1 isn't fungal acne safe.
Learn more about Palmitoyl Tripeptide-1 →
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