Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

The INKEY List 10% Urea Moisturizer Versus First Aid Beauty Ultra Repair Face Moisturizer

The INKEY List 10% Urea Moisturizer Versus First Aid Beauty Ultra Repair Face Moisturizer Detailed comparison of The INKEY List 10% Urea Moisturizer Europe versus First Aid Beauty Ultra Repair Face Moisturizer. This smoothing moisturizer is formulated around U

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The INKEY List 10% Urea Moisturizer Versus First Aid Beauty Ultra Repair Face Moisturizer Detailed comparison of The INKEY List 10% Urea Moisturizer Europe versus First Aid Beauty Ultra Repair Face Moisturizer. This smoothing moisturizer is formulated around Urea and Avena Sativa Kernel Flour to refine skin texture and hydrate skin. This barrier-repair moisturizer is formulated around Avena Sativa Kernel Flour and Squalane to strengthen the skin barrier and calm redness. Water Urea Caprylic/Capric Triglyceride Glycerin Cetearyl Alcohol Glyceryl Stearate Se Avena Sativa Kernel Flour Carthamus Tinctorius Seed Oil Squalane Phenoxyethanol Benzyl Alcohol Sodium Carbomer Sodium Stearoyl Glutamate Citric Acid Ethylhexylglycerin Sodium Gluconate Dehydroacetic Acid Water, Urea, Caprylic/Capric Triglyceride, Glycerin, Cetearyl Alcohol, Glyceryl Stearate Se, Avena Sativa Kernel Flour, Carthamus Tinctorius Seed Oil, Squalane, Phenoxyethanol, Benzyl Alcohol, Sodium Carbomer, Sodium Stearoyl Glutamate, Citric Acid, Ethylhexylglycerin, Sodium Gluconate, Dehydroacetic Acid Dimethicone Cetyl Alcohol Caprylyl Glycol Butyrospermum Parkii Butter Allantoin Persea Gratissima Oil N-Butyl Alcohol Carbomer Chrysanthemum Parthenium Extract Camellia Sinensis Leaf Extract Glycyrrhiza Glabra Root Extract Sodium Hydroxide Ceramide NP Leuconostoc/Radish Root Ferment Filtrate Tetrasodium EDTA Water, Glyceryl Stearate Se, Glycerin, Caprylic/Capric Triglyceride, Dimethicone, Urea, Cetyl Alcohol, Avena Sativa Kernel Flour, Squalane, Caprylyl Glycol, Butyrospermum Parkii Butter, Allantoin, Persea Gratissima Oil, N-Butyl Alcohol, Carbomer, Chrysanthemum Parthenium Extract, Camellia Sinensis Leaf Extract, Glycyrrhiza Glabra Root Extract, Sodium Hydroxide, Ceramide NP, Leuconostoc/Radish Root Ferment Filtrate, Phenoxyethanol, Tetrasodium EDTA These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Oatmeal flour is created by grinding down the kernels of oats. Oatmeal helps sooth, hydrate, and protect the skin. Oatmeal kernel flour has abrasive, or exfoliating, properties. Learn all about the skin benefits of colloidal oatmeal here. 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%. 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. Glyceryl Stearate Se is a self-emulsifying (SE) form of glyceryl stearate. Self-emusifying means this ingredient automatically blends with water. It is an emulsifier, emollient, and cleansing agent. As an emulsifier, Glyceryl Stearate Se prevents ingredients such as oil and water from separating. It is also a surfactant, meaning it helps cleanse the skin. Surfactants help gather oil, dirt, and other