Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Medik8 Liquid Peptides Advanced MP Versus MEDI-PEEL Peptide 9 Volume All In One Essence

Medik8 Liquid Peptides Advanced MP Versus MEDI-PEEL Peptide 9 Volume All In One Essence Detailed comparison of Medik8 Liquid Peptides Advanced MP versus MEDI-PEEL Peptide 9 Volume All In One Essence. This anti-aging serum is formulated around Palmitoyl Tripept

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Medik8 Liquid Peptides Advanced MP Versus MEDI-PEEL Peptide 9 Volume All In One Essence Detailed comparison of Medik8 Liquid Peptides Advanced MP versus MEDI-PEEL Peptide 9 Volume All In One Essence. This anti-aging serum is formulated around Palmitoyl Tripeptide-38 and Palmitoyl Tripeptide-5 to soften the look of wrinkles and refine skin texture. This anti-aging essence is formulated around Niacinamide and Acetyl Hexapeptide-8 to soften the look of wrinkles and refine skin texture. 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 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 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 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 Methylpropanediol Hydrogenated Polyisobutene Methyl Perfluoroisobutyl Ether Methyl Perfluorobutyl Ether Cyclopentasiloxane Niacinamide Butylene Glycol Dicaprylate/Dicaprate Cetearyl Alcohol Cyclohexasiloxane Elaeis Guineensis Oil Decyl Glucoside Sodium Myristoyl Glutamate Stearic Acid Glyceryl Stearate PEG-100 Stearate Betaine Hydroxyethyl Urea Elaeis Guineensis Kernel Oil Ammonium Acryloyldimethyltaurate/Vp Copolymer Propanediol Juniperus Communis Fruit Extract Eucalyptus Globulus Leaf Extract Glyceryl Acrylate/Acrylic Acid Copolymer Sodium Hyaluronate Crosspolymer Allantoin Ammonium Lactate Urea Parfum Adenosine Laureth-23 Propylene Glycol Hydrolyzed Glycosamin These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Acetyl Hexapeptide-8 (also known as Argireline) is a synthetic hexapeptide that is often called a "topical Botox alternative". It works by mimicking how Botox relaxes muscles; it interferes with the signaling process that tells your facial muscles to contract. This can help soften expression lines like forehead wrinkles or crow's feet over time. The comparison to Botox does have limits because the molecule is water-loving and relatively large. Acetyl Hexapeptide-8 has a hard time absorbing deeply enough through the skin's outer barrier to actually reach the muscles. So whether it truly works the way Botox does at a biological level is still up for debate, but early clinical outcomes are fairly encouraging. A 12 week human study of a multi-ingredient regimen containing this ingredient saw: While some studies have observed improvements in wrinkle appearance, it is important to note that more consistent results are seen in multi-ingredient formulations (vs just Acetyl Hexapeptide-8 alone). Some research studies also used higher concentrations (up to 10%) while this ingredient is usually found in concentrations up to 0.005% in leave-on formulations. Arginine is a semi-essential amino acid. This just means our bodies can product a bit on its own, but sometimes needs a little boost from food sources. It is a part of your skin's natural moisturizing factor (NMF), or the water-loving molecules in your outermost layer of skin (stratum corneum) that keeps everything hydrated and happy. Here's an interesting thing about Arginine: your skin converts it into urea through the Krebs-Henseleit urea cycle. Urea is one of the most effective humectants your skin naturally produces. A clinical study showed applying 2.5% arginine hydrochloride to atopic dermatitis skin showed significant urea levels in the stratum corneum and improved moisture in just four weeks. Arginine is also a precursor to nitric oxide; nitric oxide improves microcirculation and supports wound healing and collagen synthesis. One study found that an amino acid complex containing Arginine reduced skin irritation, improved hydration, and accelerated skin repair in clinical / in-vivo studies. Arginine itself is an amino acid and not a fatty acid, oil, or ester. On its own, it's not a direct food source for Malassezia, or the yeast that causes fungal acne. Butylene Glycol (or BG) is used within cosmetic products for a few different reasons: Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients. Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness. Caprylic/Capric Triglyceride (aka MCT Oil) is a lightweight emollient, solvent, and texture enhancer. It is considered a skin-softener by helping to prevent moistur