Image: medik8.com
Medik8
Liquid Peptides™
A serum built around Hyaluronic acid and Panthenol, for hydration and smoothing.
Brand price
GBP 59.00 · checked 8 Oct 2026 · on the brand's site
From the brand
What the brand says about this product. Our ingredient analysis follows below.
The brand recommends it for
- Normal skin
- Fine lines & wrinkles
- Dryness & dehydration
- Uneven texture
How to use
First-time use If you're new to Liquid Peptides, we recommend a patch test at least 24 hours before first use. Learn how to patch test here . Step 1 After cleansing in the morning and evening, massage 6 drops of Liquid Peptides across the face, neck and décolletage. Step 2 Leave to absorb before applying moisturiser. We recommend Total Moisture Daily Facial Cream .
Caution
If you're new to Liquid Peptides, we recommend a patch test at least 24 hours before first use. Learn how to patch test here .
What's inside
Ingredients List
8 trigger at least one check · 25 trigger none
- Panthenol (provitamin B5)
- Barrier Repair
- Hydrating
- Reduces Irritation
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Polysorbates (Tween emulsifiers)
- May Worsen Seborrheic Dermatitis
Key Ingredients
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Peptides4
Short amino-acid chains used as signalling actives.
Acetyl Hexapeptide-8, Heptapeptide-15 Palmitate, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1
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
Firming4
Supports elasticity and bounce.
Acetyl Hexapeptide-8, Heptapeptide-15 Palmitate, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1
Smoothing5
Refines rough or uneven texture.
Acetyl Hexapeptide-8, Alpha-Glucan Oligosaccharide, Caprylyl Glycol, Citric Acid, Glyceryl Caprylate
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
Ingredients Explained
Click on any ingredient to learn more about it
Aqua
Solvent
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 →Inulin
Skin Conditioning
Fructosane
Learn more about Inulin →Sodium Hyaluronate
Humectant, Skin Conditioning
Sodium Hyaluronate is a hyaluronic acid.
Learn more about Sodium Hyaluronate →Panthenol
Antistatic, Hair Conditioning, Skin Conditioning
Panthenol is panthenol (provitamin B5).
Learn more about Panthenol →Alpha-Glucan Oligosaccharide
Cleansing, Skin Conditioning, Smoothing
Alpha-Glucan Oligosaccharide is a glucose oligomer exhibiting a degree of polymerization ranging from 2 to 10. It is prepared by the action of a Leuconostoc mesenteroides glucosyl transferase on sucrose. The α-D-glucopyranose monomers are linked by (1-2), (1-6), and (1-4) bonds.
Learn more about Alpha-Glucan Oligosaccharide →Carnosine
Skin Conditioning
L-histidine, N-beta-alanyl
Learn more about Carnosine →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 →
Dupes
- Medik8 Liquid Peptides Advanced MP79% match
- Geek & Gorgeous Power Peptides72% match
- The Ordinary Matrixyl 10% + HA69% match
- The Ordinary Multi-Peptide + Copper Peptides 1% Serum69% match
- The Ordinary Multi-Peptide + HA Serum69% match
- No7 Laboratories Line Correcting Booster Serum67% match