Medik8 Liquid Peptides Advanced MP peptide face serum 1 oz — 30% peptides, hydrating & firms

Medik8 Liquid Peptides Advanced MP is a concentrated 30% peptide face serum formulated to hydrate skin, help smooth expression lines and support natural collagen and hyaluronic acid production.

This lightweight serum from Medik8 combines high-strength peptides with moisture-supporting ingredients to target visible signs of aging without heavy oils or silicones. It's designed to sit comfortably under moisturizers and can be incorporated into morning or evening routines. The formula emphasizes peptide-driven support for elasticity and contour, while delivering lasting hydration to help skin look smoother and more resilient.

How quickly will I notice expression lines look softer?

Visible improvement depends on skin type and routine consistency, but many users observe softer expression lines within a few weeks of regular use. The formula concentrates peptides that work at the cellular signaling level, supporting the skin’s structural proteins over time rather than delivering instant plumping.

• Use daily, ideally after cleansing and before moisturizer, for steady results.
• Suitable for layering under SPF during the day or under richer creams at night.
• Consistent application over 4–12 weeks typically shows the clearest benefits.

What makes this a 30% peptide serum—how does that help skin firmness?

The 30% figure refers to the combined concentration of peptide actives in the formula, giving a targeted dose of amino-acid chains that signal collagen and hyaluronic acid support. Rather than a single ingredient approach, peptides act as messengers to encourage the skin’s own repair and structural support systems, helping to improve elasticity and facial contour over time.

• High peptide concentration supports the skin’s natural structural proteins.
• DualMiniProtein technology aims to optimize collagen and hyaluronic acid levels.
• Designed to complement other hydrators and antioxidant steps in your routine.

Can I use this serum on sensitive or dry skin without irritation?

Medik8 formulates with a lightweight, hydrating base to suit a range of skin types, including dry and combination skin. If you have sensitive skin, patch-testing is recommended; the product is intended to be gentle but concentrated actives may prompt temporary sensitivity for some users.

• Apply a small patch behind the ear or inner forearm before full-face use.
• Start with every-other-day application if your skin is reactive, then increase frequency.
• Pair with calming moisturizers or barrier-supporting creams to reduce potential irritation.

How should I layer this serum within my skincare routine?

Apply Medik8 Liquid Peptides Advanced MP after cleansing and any water-based treatments (like hydrating toners) but before heavier creams, oils, or physical sunscreen. Its lightweight texture makes it an effective intermediary that delivers peptide actives directly into the skin while allowing subsequent products to seal in moisture.

• Cleanse, apply hydrating toner or essence, then dispense a few drops of the peptide serum.
• Follow with moisturizer and sunscreen for daytime protection; use a richer night cream if desired.
• Incorporate alongside antioxidant serums, avoiding layering multiple strong actives at once.

Who is this for: Medik8 Liquid Peptides Advanced MP is aimed at adults seeking a targeted, high-strength peptide serum to address fine lines, loss of elasticity, and hydration needs. It suits those who want a lightweight, layerable treatment to boost skin resilience and support a firm, smoother-looking complexion without overly heavy textures.

Ingredients

Aqua (Water), Glycerin, Dimethicone, Dimethyl Isosorbide, Butylene Glycol, Undecane, Arginine, Inulin, Microcrystalline Cellulose, Ceteareth-20, Tridecane, Tocopherol, Hydroxyacetophenone, Sodium Hyaluronate, Palmitoyl Tripeptide-38, Panthenol, Caprylic/Capric Triglyceride, Palmitoyl Tripeptide-5, Polyacrylate Crosspolymer-6, Palmitoyl Tripeptide-1, Pullulan, Tetrapeptide-21, Palmitoyl Tetrapeptide-10, Palmitoyl Tetrapeptide-7, Ammonium Polyacryloyldimethyl Taurate, Glyceryl Linoleate, Acetyl Hexapeptide-8, Pentapeptide-18, Oligopeptide-1, Arginine/Lysine Polypeptide, Sucrose Palmitate, Cetyl Palmitate, Phenoxyethanol, Ethylhexylglycerin, Carbomer, Copper Palmitoyl Heptapeptide-14, Heptapeptide-15 Palmitate, Benzotriazolyl Dodecyl P-Cresol, Polysorbate 80, Sorbitan Stearate, Polysorbate 20, Carnosine, Sodium Metabisulfite, Dunaliella Salina Extract, Helianthus Annuus (Sunflower) Seed Oil, Hydroxypropyl Cyclodextrin, Dimethicone/Vinyl Dimethicone Crosspolymer, Sodium Benzoate, Hydrogenated Lecithin, Caprylyl Glycol, Pantolactone, Xanthan Gum, Disodium EDTA, T-Butyl Alcohol, Potassium Sorbate, Citric Acid, Glyceryl Caprylate, Lactic Acid/Glycolic Acid Copolymer, Polyvinyl Alcohol, Phenylpropanol.