Liquid Peptides
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All 33 ingredients
Liquid Peptides by Medik8 lists 33 ingredients, in label order. Each line says what the ingredient does in the formula.
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aqua
Solvent
glycerin
Humectant
butylene glycol
Humectant
inulin
Skin conditioning
sodium hyaluronate
Humectant
panthenol
Skin conditioning
alpha-glucan oligosaccharide
Cleansing
carnosine
Skin conditioning
carbomer
Viscosity controlling
polysorbate 20
Surfactant
caprylyl glycol
Humectant
phenoxyethanol
Preservative
hydroxypropyl cyclodextrin
Perfuming
dunaliella salina extract
Skin conditioning
ethylhexylglycerin
Skin conditioning
citric acid
Buffering
palmitoyl tripeptide-5
Skin conditioning
sodium benzoate
Preservative
acetyl hexapeptide-8
Humectant
tetrapeptide-21
Skin conditioning
pentapeptide-18
Skin conditioning
palmitoyl tripeptide-1
Skin conditioning
pantolactone
Humectant
palmitoyl tripeptide-38
Skin conditioning
palmitoyl tetrapeptide-7
Skin conditioning
glyceryl caprylate
Emollient
lactic acid/glycolic acid copolymer
Skin conditioning
polyvinyl alcohol
Viscosity controlling
phenylpropanol
Solvent
copper palmitoyl heptapeptide-14
Skin conditioning
heptapeptide-15 palmitate
Skin conditioning
potassium sorbate
Preservative
xanthan gum
Surfactant
Ingredients: Medik8 website · Updated October 21, 2026