Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Meditherapy Retinal Skin Booster Serum Versus COSRX The 6 Peptide Skin Booster Serum

Meditherapy Retinal Skin Booster Serum Versus COSRX The 6 Peptide Skin Booster Serum Detailed comparison of Meditherapy Retinal Skin Booster Serum versus COSRX The 6 Peptide Skin Booster Serum. This anti-aging serum is formulated around Niacinamide and Retinal

This source-based comparison does not add ratings or recommend a winner.

Meditherapy Retinal Skin Booster Serum Versus COSRX The 6 Peptide Skin Booster Serum Detailed comparison of Meditherapy Retinal Skin Booster Serum versus COSRX The 6 Peptide Skin Booster Serum. This anti-aging serum is formulated around Niacinamide and Retinal to soften the look of wrinkles and refine skin texture. This anti-aging serum is formulated around Niacinamide and Acetyl Hexapeptide-8 to soften the look of wrinkles and strengthen the skin barrier. Water Methylpropanediol Glycerin Caprylic/Capric Triglyceride 1,2-Hexanediol Propanediol Polyglycerin-3 Niacinamide Phenyl Trimethicone Ammonium Acryloyldimethyltaurate/Vp Copolymer Butylene Glycol Sodium Acrylic Acid/Ma Copolymer Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate Xanthan Gum Macadamia Ternifolia Seed Oil Hydrogenated Lecithin Ethylhexylglycerin Adenosine Carbomer Disodium EDTA Tromethamine Polyglyceryl-10 Laurate Sodium Hyaluronate Cholesterol Tocopherol Brassica Campestris Sterols Retinal Ascorbyl Tetraisopalmitate Potentilla Anserina Extract Caprylyl Glycol Aluminum/Magnesium Hydroxide Stearate Polyquaternium-51 Cynara Scolymus Leaf Extract Avena Sativa Kernel Extract Beta-Glucan Potassium Cetyl Phosphate Camellia Sinensis Leaf Water Piper Methysticum Leaf/Root/Stem Extract Sodium Ascorbyl Phosphate Centella Asiatica Extract Ficus Carica Fruit Extract Ceramide NP Centella Asiatica Leaf Extract Saccharomyces Ferment Centella Asiatica Root Extract Canola Oil Myristyl Alcohol PCA Acetyl Hexapeptide-1 Asiaticoside Madecassoside Daucus Carota Sativa Seed Oil Bifida Ferment Lysate Lactobionic Acid Daucus Carota Sativa Root Extract Tocopheryl Acetate Beta-Carotene Helianthus Annuus Seed Oil Panthenol Polygonum Cuspidatum Root Extract Sucrose Distearate Hydroxypropyl Cyclodextrin Madecassic Acid Asiatic Acid Water, Methylpropanediol, Glycerin, Caprylic/Capric Triglyceride, 1,2-Hexanediol, Propanediol, Polyglycerin-3, Niacinamide, Phenyl Trimethicone, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Butylene Glycol, Sodium Acrylic Acid/Ma Copolymer, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Xanthan Gum, Macadamia Ternifolia Seed Oil, Hydrogenated Lecithin, Ethylhexylglycerin, Adenosine, Carbomer, Disodium EDTA, Tromethamine, Polyglyceryl-10 Laurate, Sodium Hyaluronate, Cholesterol, Tocopherol, Brassica Campestris Sterols, Retinal, Ascorbyl Tetraisopalmitate, Potentilla Anserina Extract, Caprylyl Glycol, Aluminum/Magnesium Hydroxide Stearate, Polyquaternium-51, Cynara Scolymus Leaf Extract, Avena Sativa Kernel Extract, Beta-Glucan, Potassium Cetyl Phosphate, Camellia Sinensis Leaf Water, Piper Methysticum Leaf/Root/Stem Extract, Sodium Ascorbyl Phosphate, Centella Asiatica Extract, Ficus Carica Fruit Extract, Ceramide NP, Centella Asiatica Leaf Extract, Saccharomyces Ferment, Centella Asiatica Root Extract, Canola Oil, Myristyl Alcohol, PCA, Acetyl Hexapeptide-1, Asiaticoside, Madecassoside, Daucus Carota Sativa Seed Oil, Bifida Ferment Lysate, Lactobionic Acid, Daucus Carota Sativa Root Extract, Tocopheryl Acetate, Beta-Carotene, Helianthus Annuus Seed Oil, Panthenol, Polygonum Cuspidatum Root Extract, Sucrose Distearate, Hydroxypropyl Cyclodextrin, Madecassic Acid, Asiatic Acid Dipropylene Glycol Pentylene Glycol Acetyl Hexapeptide-8 Copper Tripeptide-1 Sh-Polypeptide-121 Dipeptide Diaminobutyroyl Benzylamide Diacetate Oligopeptide-68 Palmitoyl Tripeptide-8 Allantoin Acetyl Glucosamine Serine Alanine Glycine Threonine These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. 1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse. It is a: Humectant, drawing moisture into the skin Emollient, helping to soften skin Solvent, dispersing and stabilizing formulas Preservative booster, enhancing the antimicrobial activity of other preservatives Adenosine is a purine nucleoside that your body already makes in every cell. In skincare, it acts mainly as a skin conditioning and anti-aging agent. The way it works is fairly well mapped out: Your skin has cells called fibroblasts that build collagen (the stuff that keeps skin firm and smooth). Adenosine basically flips a switch on these cells that tells them to get to work making more collagen and other proteins. These cells slow down on their own as skin ages, so Adenosine helps give them a little nudge to keep going. The clinical backing is pretty solid too. A blind, randomized, placebo-controlled trial of 126 women aged 45-65 tested a 0.1% cream twice daily and found real improvements in crow's feet and frown lines using a precise 3D skin-mapping technique; these changes showed up by week 3 and held at 2 months. A later study using Adenosine-loaded dissolving microneedle patches reported gains in wrinkle depth, dermal density, elasticity, and hydration. On concentrations, South Korea's Ministry of Food and Drug Safety has set 0.04% as the approved functional anti-wrinkle level. You'll typically see this ingredient used somewhere in the 0.04-0.1% range since it works at low doses. This ingredient has been found safe for cosmetics with the data showing no irritation or sensitization. Overall, this is a great ingredient for any anti-aging routine and has no photosensitizing effect, so it suits both AM and PM use. Ammonium Acryloyldimethyltaurate/Vp Copolymer is a synthetically created polymer. It's used as a film-forming agent and used to thicken the consistency of products. Think of it as a supportive ingredient that helps your gel-creams feel silky, "cloud cream-like", and spread evenly without being greasy. The Cosmetic Ingredient Review (CIR) Expert Panel evaluated it (along with 22 other acryloyldimethyltaurate polymers) and concluded it's: Due to its large molecular size, it sits on the surface of skin rather than penetrating it. 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. Caprylyl Glycol is a humectant, skin conditioner, emollient, and preservative booster derived from either caprylic acid or synthetically created. Typical use levels vary from 0.3-1% as a preservative booster and go up to 2% to condition skin. Be