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Our team selected this for its unusually detailed peptide architecture — 13 peptides in a single formulation, anchored by the Dual MiniProteins™ technology, represents a level of specificity that distinguishes it from more generic peptide serums. It earns its place in our topical category on the strength of its formulation rigour and the consistency of its delivery format. For those committed to a structured skincare routine, this is a considered addition at the peptide step.
About this product
Liquid Peptides Advanced MP
Medik8 Liquid Peptides Advanced MP is a precision serum engineered around Dual MiniProteins™, a technology developed by Medik8's Chief Product Officer Daniel Isaacs. The formulation brings together 13 peptides — including Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Palmitoyl Tripeptide-38, Acetyl Hexapeptide-8, Pentapeptide-18, and Copper Heptapeptide-14 Pantothenate, among others — to address visible signs of ageing at the skin's surface.
Peptides are short chains of amino acids thought to encourage the skin's production of collagen, elastin, and hyaluronic acid, supporting a firmer and more resilient complexion over time. The formulation also includes humectants glycerin (4.80–5.90%) and pantolactone (0.15–1.80%), which help attract water to the upper layers of the skin and maintain hydration throughout the day.
Additional supporting ingredients include sodium hyaluronate for surface moisture retention, panthenol (provitamin B5) for skin conditioning, Dunaliella Salina (green algae) extract, and inulin alongside alpha-glucan oligosaccharide. The lightweight serum texture absorbs readily, making it practical for consistent daily use within an established skincare routine.
As with peptide serums generally, visible results build with sustained use rather than appearing acutely. It sits well alongside a broader routine that includes SPF in the morning and a well-formulated moisturiser to support the skin barrier.
What it does
Benefits
- 01
Contains 13 peptides including Dual MiniProteins™, targeting visible signs of ageing at the skin's surface
- 02
Humectants glycerin and pantolactone help attract and retain moisture in the upper layers of skin
- 03
Sodium hyaluronate supports surface-level hydration
- 04
Panthenol (provitamin B5) contributes to skin conditioning
- 05
Lightweight serum texture absorbs readily, suited to daily use
- 06
Formulated for visible skin renewal and improved firmness with consistent use
Get the most from it
How to use
Apply to cleansed skin as part of your morning or evening routine, before moisturiser. As with all active serums, introduce gradually if new to peptide formulations. Always follow the directions printed on the product packaging.
What's inside
Ingredients
View full ingredient list
Aqua (Water), Glycerin, Butylene Glycol, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Copper Heptapeptide-14 Pantothenate, Heptapeptide-15 Palmitate, Arginine/Lysine Polypeptide, Palmitoyl Tripeptide-38, Carnosine, Acetyl Hexapeptide-8, Pentapeptide-18, Palmitoyl Tripeptide-5, Tetrapeptide-21, Sodium Hyaluronate, Inulin, Alpha-Glucan Oligosaccharide, Lactic Acid/Glycolic Acid Copolymer, Panthenol, Ethylhexylglycerin, Hydroxypropyl Cyclodextrin, Dunaliella Salina (Green Algae) Extract, Polysorbate 20, Caprylyl Glycol, Citric Acid, Glyceryl Caprylate, Pantolactone, Phenylpropanol, Polyvinyl Alcohol, Carbomer, Potassium Sorbate, Sodium Benzoate, Sorbic Acid, Phenoxyethanol, Xanthan Gum
Common questions
Frequently asked
Is this safe to use alongside prescription retinoids or acids?
Peptides are generally well-tolerated alongside retinoids and AHAs/BHAs, but introduce one new active at a time and monitor for irritation. If you’re under dermatological care, check with your prescriber before adding.
How long before I see a difference in firmness or fine lines?
Visible changes build gradually; most users notice improved surface hydration within days, while improvements in firmness typically require 6–8 weeks of consistent, twice-daily use.
Can I apply this in the morning under sunscreen and make-up?
Yes—the lightweight serum absorbs quickly and layers well under SPF and cosmetics. Allow a minute for it to settle before applying subsequent products.
Who should avoid this product?
It is unsuitable for anyone with a known allergy to any listed ingredient. Patch-test first if you have very reactive or rosacea-prone skin, and avoid use on broken or freshly exfoliated skin.
Does it need refrigeration to keep the peptides stable?
No refrigeration is required; store at room temperature away from direct sunlight. Check the packaging for the specific PAO (period-after-opening) symbol to guide safe use.
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