Liquid Peptides

serum · 30 ml · Skincare

Medik8 Liquid Peptides is free of fragrance, essential oils, labelled fragrance allergens, drying alcohol, sulfates, silicones, parabens and MI / MCI, going by its full 33-ingredient list, with hyaluronic acid, glycerin and glycolic acid. List checked November 5, 2026.

The catch: none. It clears all 12 ingredient flags we check.

Fragrance-free
No essential oils
No labelled fragrance allergens
No drying alcohol
Sulfate-free
Silicone-free
Paraben-free
No MI/MCI

£51.1513% off the list priceat Amazon UK

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Amazon UK prices as of 6 November 2026, 04:30 GMT; Amazon sets the final price at checkout.

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Key ingredients in Liquid Peptides

Hyaluronic acid
A humectant that pulls water into the top layer of skin.
Glycerin
A classic humectant that keeps skin hydrated.
Glycolic acid (AHA)
A small-molecule exfoliant for dullness and texture.
Lactic acid (AHA)
A gentler, hydrating exfoliant.
Panthenol (pro-vitamin B5)
Soothes and helps skin and hair hold moisture.
Beta-glucan
A soothing, hydrating polysaccharide.
Peptides
Signal ingredients used in firming and anti-ageing formulas.

Full ingredient list, decoded

33 ingredients, in label order (highest amount first; below about 1% the order is free).

1Aqua (Water)Aqua is the INCI name for water, the main base of many creams, lotions and cleansers…
2GlycerinGlycerin is a clear, thick, odorless liquid that pulls water into the skin and helps…
3Butylene GlycolButylene Glycol is a clear, odorless liquid that attracts and holds water. It is a…
4InulinInulin is a plant-based carbohydrate, a chain of fructose units, usually taken from…
5Sodium HyaluronateHyaluronic acid is a sugar-based molecule, naturally found in skin, that holds a lot of…
6PanthenolPanthenol is a form of vitamin B5 that the skin and hair convert to pantothenic acid.…
7Alpha-Glucan Oligosaccharide
8Carnosine
9CarbomerA synthetic polymer made from acrylic acid that thickens water-based products and keeps…
10Polysorbate 20Polysorbate 20 is a mild, water-soluble emulsifier made from sorbitol and a lauric-type…
11Caprylyl GlycolCaprylyl Glycol is a mild, multi-tasking ingredient that softens skin and helps keep…
12PhenoxyethanolA synthetic preservative that helps stop bacteria, yeast and mold from growing in…
13Hydroxypropyl Cyclodextrin
14Dunaliella Salina (Green Algae) Extract
15EthylhexylglycerinEthylhexylglycerin is a lab-made, skin-friendly ingredient that boosts the power of…
16Citric AcidCitric acid is a mild, naturally occurring acid found in citrus fruit. In skincare and…
17Palmitoyl Tripeptide-5
18Sodium BenzoateSodium benzoate is the sodium salt of benzoic acid, a water-soluble powder used mainly…
19Acetyl Hexapeptide-8
20Tetrapeptide-21
21Pentapeptide-18
22Palmitoyl Tripeptide-1A synthetic peptide, a short chain of three amino acids with a fatty acid attached. It…
23PantolactonePantolactone is a small molecule that helps condition skin and serves as a building…
24Palmitoyl Tripeptide-38
25Palmitoyl Tetrapeptide-7A synthetic peptide, a short chain of amino acids with a fatty tail, used as a signal…
26Glyceryl CaprylateGlyceryl Caprylate is a mild ester of glycerin and caprylic acid, a fatty acid found in…
27Lactic Acid/Glycolic Acid CopolymerLactic acid is an alpha hydroxy acid, a mild acid that loosens dead skin cells and…
28Polyvinyl Alcohol
29Phenylpropanol
30Copper Palmitoyl Heptapeptide-14
31Heptapeptide-15 Palmitate
32Potassium SorbatePotassium sorbate is the potassium salt of sorbic acid, a mild preservative that helps…
33Xanthan GumXanthan Gum is a thickener and stabilizer made by fermenting sugar with a bacterium. It…

Source: Medik8 product page, eu.medik8.com/products/liquid-peptides%E2%84%A2, retrieved November 5, 2026.

Every flag we check

Check	Result	Ingredients found
Fragrance	None listed	—
Essential oils	None listed	—
Labelled fragrance allergens	None listed	—
Drying alcohol	None listed	—
Sulfates	None listed	—
Silicones	None listed	—
Parabens	None listed	—
MI / MCI	None listed	—
Formaldehyde releasers	None listed	—
Mineral oil & petrolatum	None listed	—
Lanolin	None listed	—
Chemical UV filters	None listed	—

Frequently asked questions

Is Medik8 Liquid Peptides fragrance-free?

Yes. Medik8 Liquid Peptides lists no parfum or fragrance and no essential oils. Checked against its full ingredient list on November 5, 2026.

Does Medik8 Liquid Peptides contain silicones, sulfates or parabens?

Silicones: none listed. Sulfates: none listed. Parabens: none listed.

Which ingredient rules does Medik8 Liquid Peptides pass?

Its full list passes our ingredient rules for sensitive skin, eczema-prone skin, contact dermatitis and perfume allergy. Key ingredients: Hyaluronic acid, Glycerin, Glycolic acid (AHA) and Lactic acid (AHA).