Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Revolution Beauty Vitamin C Eye Cream Versus Olay Ultimate Eye Cream

Revolution Beauty Vitamin C Eye Cream Versus Olay Ultimate Eye Cream Detailed comparison of Revolution Beauty Vitamin C Eye Cream versus Olay Ultimate Eye Cream. This brightening eye moisturizer is formulated around Niacinamide and Sodium Ascorbyl Phosphate to

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Revolution Beauty Vitamin C Eye Cream Versus Olay Ultimate Eye Cream Detailed comparison of Revolution Beauty Vitamin C Eye Cream versus Olay Ultimate Eye Cream. This brightening eye moisturizer is formulated around Niacinamide and Sodium Ascorbyl Phosphate to brighten dull-looking skin and fade the look of dark spots. This anti-aging eye moisturizer is formulated around Niacinamide and Palmitoyl Pentapeptide-4 to soften the look of wrinkles and refine skin texture. Water Glycerin Dicaprylyl Carbonate Caprylic/Capric Triglyceride Cetearyl Alcohol Persea Gratissima Oil Cetearyl Olivate Niacinamide Cetyl Alcohol Phenoxyethanol Sorbitan Olivate Hydrogenated Ethylhexyl Olivate Sodium Ascorbyl Phosphate Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Squalane Xanthan Gum Hydrogenated Olive Oil Unsaponifiables Carbomer Chlorphenesin Polysorbate 60 Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate Sodium Hyaluronate Sorbitan Isostearate Alcohol Tris(Tetramethylhydroxypiperidinol)Citrate Tocopherol Glycine Soja Oil CI 19140 CI 16035 Water, Glycerin, Dicaprylyl Carbonate, Caprylic/Capric Triglyceride, Cetearyl Alcohol, Persea Gratissima Oil, Cetearyl Olivate, Niacinamide, Cetyl Alcohol, Phenoxyethanol, Sorbitan Olivate, Hydrogenated Ethylhexyl Olivate, Sodium Ascorbyl Phosphate, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Squalane, Xanthan Gum, Hydrogenated Olive Oil Unsaponifiables, Carbomer, Chlorphenesin, Polysorbate 60, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Sodium Hyaluronate, Sorbitan Isostearate, Alcohol, Tris(Tetramethylhydroxypiperidinol)Citrate, Tocopherol, Glycine Soja Oil, CI 19140, CI 16035 Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer Isohexadecane Isopropyl Isostearate Stearyl Alcohol Palmitoyl Pentapeptide-4 Dimethicone C13-14 Isoparaffin Dimethiconol Cetearyl Glucoside Laureth-7 Stearic Acid Palmitic Acid Behenyl Alcohol Disodium EDTA Polyacrylamide PEG-100 Stearate Titanium Dioxide Benzyl Alcohol Methylparaben Propylparaben Ethylparaben Iron Oxides Water, Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer, Glycerin, Niacinamide, Isohexadecane, Isopropyl Isostearate, Stearyl Alcohol, Palmitoyl Pentapeptide-4, Dimethicone, C13-14 Isoparaffin, Dimethiconol, Cetearyl Glucoside, Cetearyl Alcohol, Laureth-7, Stearic Acid, Palmitic Acid, Cetyl Alcohol, Behenyl Alcohol, Disodium EDTA, Polyacrylamide, PEG-100 Stearate, Titanium Dioxide, Benzyl Alcohol, Methylparaben, Propylparaben, Ethylparaben, Iron Oxides These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Cetearyl alcohol is a waxy mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is an emollient and emulsifier. Despite having "alcohol" in its name, it has nothing to do with drying solvent alcohols; the FDA also allows "alcohol-free" products to contain fatty alcohols like this ingredient. It plays several roles in a formula: Typical use levels for this ingredient sit around 1-10% and the Cosmetic Ingredient Review Expert Panel has affirmed safety at concentrations up to 25% in leave-on products. Multiple assessments have found it to be non-irritating and non-sensitizing to most people. However, there have been some cases of allergic contact dermatitis in patients with chronically compromised skin barriers. Cetearyl alcohol has a comedogenic rating of 2 and irritancy rating of 1. Both of these numbers come from the 1989 study that used rabbit ears; a "2" means mildly comedogenic and a "1" means low irritancy. Here's the catch: rabbit skin is more sensitive than human skin and throws a lot of false positives. A 1996 reappraisal found that ingredients rated 1-2 in the rabbit ear tests are generally safe for humans. Remember comedogenic ratings are unable to assess the entire formula of a product or how it will react on your skin. Just be sure to patch test if you are unsure about certain ingredients. This ingredient is not fungal acne safe. Cetearyl alcohol is a fatty alcohol with chain lengths that fall within the range that Malassezia can metabolize. A 2019 study has also observed Malassezia growth in the presence of this ingredient, confirming it to be not-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