Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

First Aid Beauty Ultra Repair Barriair cream Versus The INKEY List Peptide Moisturizer

First Aid Beauty Ultra Repair Barriair cream Versus The INKEY List Peptide Moisturizer Detailed comparison of First Aid Beauty Ultra Repair Barriair cream versus The INKEY List Peptide Moisturizer. This barrier-repair moisturizer is formulated around Ceramide

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

First Aid Beauty Ultra Repair Barriair cream Versus The INKEY List Peptide Moisturizer Detailed comparison of First Aid Beauty Ultra Repair Barriair cream versus The INKEY List Peptide Moisturizer. This barrier-repair moisturizer is formulated around Ceramide Ng and Linoleic Acid to strengthen the skin barrier and calm redness. Water Glycerin Propanediol Cetyl Ethylhexanoate Caprylic/Capric Triglyceride Polymethyl Methacrylate Oxygen Ceramide Ng Linoleic Acid Linolenic Acid Glycyrrhiza Glabra Root Extract Chrysanthemum Parthenium Extract Camellia Sinensis Leaf Extract Sodium Hyaluronate Tocopherol Colloidal Oatmeal Caprylyl Glycol Hydrolyzed Yeast Extract Cetyl Hydroxyethylcellulose Cholesterol Polyglucuronic Acid Cetyl Alcohol Sodium Polyacrylate Starch Stearic Acid Dipropylene Glycol Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Glyceryl Stearate Sodium Polyacrylate Polypropylene Polysorbate 80 Steareth-30 Lecithin Ethylhexylglycerin Leuconostoc/Radish Root Ferment Filtrate Phenoxyethanol Perfluorohexane Chlorphenesin Perfluoromethylcyclopentane Sodium Benzoate Potassium Sorbate Water, Glycerin, Propanediol, Cetyl Ethylhexanoate, Caprylic/Capric Triglyceride, Polymethyl Methacrylate, Oxygen, Ceramide Ng, Linoleic Acid, Linolenic Acid, Glycyrrhiza Glabra Root Extract, Chrysanthemum Parthenium Extract, Camellia Sinensis Leaf Extract, Sodium Hyaluronate, Tocopherol, Colloidal Oatmeal, Caprylyl Glycol, Hydrolyzed Yeast Extract, Cetyl Hydroxyethylcellulose, Cholesterol, Polyglucuronic Acid, Cetyl Alcohol, Sodium Polyacrylate Starch, Stearic Acid, Dipropylene Glycol, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Glyceryl Stearate, Sodium Polyacrylate, Polypropylene, Polysorbate 80, Steareth-30, Lecithin, Ethylhexylglycerin, Leuconostoc/Radish Root Ferment Filtrate, Phenoxyethanol, Perfluorohexane, Chlorphenesin, Perfluoromethylcyclopentane, Sodium Benzoate, Potassium Sorbate C12-15 Alkyl Benzoate Cetearyl Alcohol Glyceryl Stearate Se Betaine Butylene Glycol Benzyl Alcohol Carbomer Butyrospermum Parkii Butter Sodium Stearoyl Glutamate Sodium Hydroxide Sodium Gluconate Tocopheryl Acetate Dehydroacetic Acid Hydrogenated Lecithin Phenethyl Alcohol Acetyl Hexapeptide-37 Maltodextrin Pentapeptide-48 Water, Caprylic/Capric Triglyceride, Glycerin, C12-15 Alkyl Benzoate, Cetearyl Alcohol, Glyceryl Stearate Se, Betaine, Butylene Glycol, Phenoxyethanol, Benzyl Alcohol, Carbomer, Butyrospermum Parkii Butter, Sodium Stearoyl Glutamate, Sodium Hydroxide, Ethylhexylglycerin, Sodium Gluconate, Tocopheryl Acetate, Dehydroacetic Acid, Hydrogenated Lecithin, Phenethyl Alcohol, Acetyl Hexapeptide-37, Maltodextrin, Pentapeptide-48 These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. 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%. Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that: The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure. Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations. 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. Phenoxyethanol is one of the most widely used preservatives in skincare (and for good reason!). It has a large spectrum of antimicrobial activity and especially effective bacteria, yeast