Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Obagi Elastiderm Eye Cream Versus Olay Collagen Peptide 24 Eye Cream

Obagi Elastiderm Eye Cream Versus Olay Collagen Peptide 24 Eye Cream Detailed comparison of Obagi Elastiderm Eye Cream versus Olay Collagen Peptide 24 Eye Cream. This anti-aging eye moisturizer is formulated around Niacinamide and Palmitoyl Pentapeptide-4 to s

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Obagi Elastiderm Eye Cream Versus Olay Collagen Peptide 24 Eye Cream Detailed comparison of Obagi Elastiderm Eye Cream versus Olay Collagen Peptide 24 Eye Cream. This anti-aging eye moisturizer is formulated around Niacinamide and Palmitoyl Pentapeptide-4 to soften the look of wrinkles and refine skin texture. Water C12-15 Alkyl Benzoate Ethylhexyl Palmitate C13-15 Alkane Cyclopentasiloxane Glycerin Glyceryl Stearate PEG-100 Stearate Propylene Glycol Stearyl Alcohol Dipropylene Glycol Dibenzoate Dimethicone PPG-15 Stearyl Ether Benzoate Polyacrylamide Cetyl Alcohol Cetyl Dimethicone C13-14 Isoparaffin Xanthan Gum Magnesium Aluminum Silicate Laureth-7 Tocopheryl Acetate Glycyrrhiza Glabra Root Extract Algae Extract Vaccinium Angustifolium Fruit Extract Phenoxyethanol Methylparaben Ethylparaben Butylparaben Propylparaben Isobutylparaben Hdi/Trimethylol Hexyllactone Crosspolymer Sodium Hydroxide Malonic Acid Malachite Zinc Carbonate Silica Talc Alumina Mica CI 77891 CI 77491 CI 42090 Water, C12-15 Alkyl Benzoate, Ethylhexyl Palmitate, C13-15 Alkane, Cyclopentasiloxane, Glycerin, Glyceryl Stearate, PEG-100 Stearate, Propylene Glycol, Stearyl Alcohol, Dipropylene Glycol Dibenzoate, Dimethicone, PPG-15 Stearyl Ether Benzoate, Polyacrylamide, Cetyl Alcohol, Cetyl Dimethicone, C13-14 Isoparaffin, Xanthan Gum, Magnesium Aluminum Silicate, Laureth-7, Tocopheryl Acetate, Glycyrrhiza Glabra Root Extract, Algae Extract, Vaccinium Angustifolium Fruit Extract, Phenoxyethanol, Methylparaben, Ethylparaben, Butylparaben, Propylparaben, Isobutylparaben, Hdi/Trimethylol Hexyllactone Crosspolymer, Sodium Hydroxide, Malonic Acid, Malachite, Zinc Carbonate, Silica, Talc, Alumina, Mica, CI 77891, CI 77491, CI 42090 Petrolatum Isopropyl Isostearate Tapioca Starch Isohexadecane Niacinamide Panthenol Palmitoyl Pentapeptide-4 Tremella Fuciformis Sporocarp Extract Caprylyl Glycol Cetearyl Alcohol Cetearyl Glucoside Palmitic Acid Stearic Acid Behenyl Alcohol Disodium EDTA Polymethylsilsesquioxane 1,2-Hexanediol Water, Petrolatum, Isopropyl Isostearate, Tapioca Starch, Isohexadecane, Glycerin, Niacinamide, Stearyl Alcohol, Cetyl Alcohol, Panthenol, Palmitoyl Pentapeptide-4, Tremella Fuciformis Sporocarp Extract, Caprylyl Glycol, C13-14 Isoparaffin, Cetearyl Alcohol, Cetearyl Glucoside, Laureth-7, Palmitic Acid, Stearic Acid, Behenyl Alcohol, Disodium EDTA, Polyacrylamide, PEG-100 Stearate, Polymethylsilsesquioxane, 1,2-Hexanediol, Phenoxyethanol Be the first to review These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. C13-14 Isoparaffin is a synthetic emollient, solvent, and thickening agent. It helps soften skin and improves spreadability without leaving a greasy residue. This ingredient has been found to be non-sensitizing and safe for use in cosmetics. Two things floating around online that cause fear-mongering: There's one scary-sounding study related to kidney tumors in male rats; this depends on a protein called alpha-2u-globulin that binds the ingredient and clogs up kidney cells. Female rats barely make this protein, and humans don't make it at all so this effect cannot happen to us. Regulatory bodies have states this rat-only pathway shouldn't be used to judge human risk. The other thing you'll see is 1,4-dioxane being a trace byproduct that can form during manufacturing of petroleum-derived ingredients. This is a real, but heavily managed/monitored issue. This byproduct is removed through purification steps before the ingredients goes into the formula. Regulatory bodies also actively monitor residual levels for safety. One last thing to note: this ingredient is a pure hydrocarbon with no fatty-acid or ester chains for Malassezia to feed on, so it's considered fungal acne safe. Cetyl Alcohol is a fatty alcohol. Fatty Alcohols are most often used as an emollient or to thicken a product. Its main roles are: Though it has "alcohol" in the name, it is not related to denatured alcohol or ethyl alcohol. The FDA allows products labeled "alcohol-free" to have fatty alcohols. This ingredient may not be fungal acne safe. It is a primary fatty alcohol with a chain length above 12 carbons. A study from 2019 show Malassezia can feed on fatty alcohols in this range, so it may trigger fungal acne in those prone to it. Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum. Topically, glycerin does several things at once: Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3. Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin. This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products. Just know very high concentrations (>40%) can feel tacky in low humidity. Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine. Laureth-7 is created by the ethoxylation of lauryl alcohol using ethylene oxide. Lauryl alcohol is a fatty alcohol with hydrating properties. This ingredient is an emulsifier and cleansing ingredient. As an emulsif