Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Beauty of Joseon Dynasty Cream Versus Olay Regenerist Retinol 24 + Peptide Night Moisturizer

Beauty of Joseon Dynasty Cream Versus Olay Regenerist Retinol 24 + Peptide Night Moisturizer Detailed comparison of Beauty of Joseon Dynasty Cream versus Olay Regenerist Retinol 24 + Peptide Night Moisturizer. This barrier-repair moisturizer is formulated arou

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Beauty of Joseon Dynasty Cream Versus Olay Regenerist Retinol 24 + Peptide Night Moisturizer Detailed comparison of Beauty of Joseon Dynasty Cream versus Olay Regenerist Retinol 24 + Peptide Night Moisturizer. This barrier-repair moisturizer is formulated around Panax Ginseng Root Water and Niacinamide to strengthen the skin barrier. This anti-aging night moisturizer is formulated around Retinol and Niacinamide to soften the look of wrinkles and refine skin texture. Water Oryza Sativa Bran Water Glycerin Panax Ginseng Root Water Hydrogenated Polydecene 1,2-Hexanediol Niacinamide Squalane Butylene Glycol Propanediol Propylene Glycol Dicaprylate/Dicaprate Cetearyl Olivate Sorbitan Olivate Ammonium Acryloyldimethyltaurate/Vp Copolymer Xanthan Gum Acrylates/C10-30 Alkyl Acrylate Crosspolymer Tromethamine Carthamus Tinctorius Seed Oil Hydrogenated Coconut Oil Glyceryl Acrylate/Acrylic Acid Copolymer Ethylhexylglycerin Adenosine Caprylic/Capric Triglyceride Disodium EDTA Hyaluronic Acid Hydrolyzed Hyaluronic Acid Sodium Hyaluronate Honey Extract Ceramide NP Hydrogenated Lecithin Coptis Japonica Root Extract Raphanus Sativus Seed Extract Lycium Chinense Fruit Extract Theobroma Cacao Seed Extract Phellinus Linteus Extract Dextrin Scutellaria Baicalensis Root Extract Water, Oryza Sativa Bran Water, Glycerin, Panax Ginseng Root Water, Hydrogenated Polydecene, 1,2-Hexanediol, Niacinamide, Squalane, Butylene Glycol, Propanediol, Propylene Glycol Dicaprylate/Dicaprate, Cetearyl Olivate, Sorbitan Olivate, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Xanthan Gum, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Tromethamine, Carthamus Tinctorius Seed Oil, Hydrogenated Coconut Oil, Glyceryl Acrylate/Acrylic Acid Copolymer, Ethylhexylglycerin, Adenosine, Caprylic/Capric Triglyceride, Disodium EDTA, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate, Honey Extract, Ceramide NP, Hydrogenated Lecithin, Coptis Japonica Root Extract, Raphanus Sativus Seed Extract, Lycium Chinense Fruit Extract, Theobroma Cacao Seed Extract, Phellinus Linteus Extract, Dextrin, Scutellaria Baicalensis Root Extract Dimethicone Tapioca Starch Dimethicone Crosspolymer Retinol Retinyl Propionate Palmitoyl Pentapeptide-4 Polyacrylamide C13-14 Isoparaffin DMDM Hydantoin Polysorbate 20 Laureth-4 Laureth-7 Dimethiconol Polymethylsilsesquioxane Aminomethyl Propanol Titanium Dioxide Iodopropynyl Butylcarbamate Water, Dimethicone, Glycerin, Tapioca Starch, Dimethicone Crosspolymer, Retinol, Retinyl Propionate, Niacinamide, Palmitoyl Pentapeptide-4, Polyacrylamide, C13-14 Isoparaffin, DMDM Hydantoin, Polysorbate 20, Laureth-4, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Laureth-7, Dimethiconol, Polymethylsilsesquioxane, Aminomethyl Propanol, Titanium Dioxide, Disodium EDTA, Iodopropynyl Butylcarbamate, Caprylic/Capric Triglyceride These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken, emulsify, and improve the texture of products. As an emulsifier, it helps stabilize oil-in-water emulsions to give products an elegant feel when applied. It can also form a thin protective film on skin. One study found that a formula using this polymer helped slow down how quickly other ingredients (like DEET) were absorbed through skin. A 2024 study of over 1,300 patients confirmed that sensitization to this ingredient is rare. It is also non-mutagenic and has a clean track record. Caprylic/Capric Triglyceride (aka MCT Oil) is a lightweight emollient, solvent, and texture enhancer. It is considered a skin-softener by helping to prevent moisture loss. Though it behaves like an oil, it is not technically one due to its chemical composition. One perk of this ingredient is that it is very stable, resistant to oxidation, and unlikely to go rancid. In practice, that translates to a long shelf life and a consistently elegant skin feel. While there is an assumption Caprylic Triglyceride can clog pores due to it being derived from coconut oil, there is no research supporting this. Just patch test if you have concerns. Fractionated coconut oil and MCT Oil are both listed as Caprylic/Capric Triglyceride according to INCI. This is because INCI names are based on the ingredient’s final chemical composition and not its marketing name or source. This ingredient is treated as the gold standard fungal acne safe oil. Even though it is coconut derived, the problematic lauric acid is stripped out. This leaves just caprylic (C8) and capric (C10) acid. These chain lengths actually trend antifungal; a 2020 study found caprylic acid was enough to disrupt Malassezia furfur cell membrane, with a caprylic acid derivative damaging membrane structures at concentrations as low as 0.2%. Disodium EDTA is a chelating agent. It grabs onto and deactivates metal ions that sneak into your products from water, packaging, or air. This ingredient mainly works behind the scenes and helps with: On top of that, this ingredient can counteract the effects of hard water by binding to the minerals in it. One thing worth knowing is that Disodium EDTA has been shown to be a mild penetration enhancer. It can help other ingredients absorb into skin more effectively which can be a double-edged sword (great for actives, but can also make the active too strong if you have sensitive skin). Clinical patch testing showed no significant skin irritation at typical use concentrations and minimal dermal absorption. You'll most likely see this ingredient near the end of an ingredient list. It's typically found in concentrations less than 1%. Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum. Topically