Peptide Skincare & BeautySkin science and ingredient guides

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IT Cosmetics Confidence in a Cream Hydrating Moisturizer Versus The INKEY List Peptide Moisturizer

IT Cosmetics Confidence in a Cream Hydrating Moisturizer Versus The INKEY List Peptide Moisturizer Detailed comparison of IT Cosmetics Confidence in a Cream Hydrating Moisturizer versus The INKEY List Peptide Moisturizer. This barrier-repair moisturizer is for

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IT Cosmetics Confidence in a Cream Hydrating Moisturizer Versus The INKEY List Peptide Moisturizer Detailed comparison of IT Cosmetics Confidence in a Cream Hydrating Moisturizer versus The INKEY List Peptide Moisturizer. This barrier-repair moisturizer is formulated around Sodium Hyaluronate and Niacinamide to strengthen the skin barrier and hydrate skin. Water Butylene Glycol Cyclopentasiloxane Glycerin Butylene Glycol Dicaprylate/Dicaprate Ethylhexyl Isononanoate Hydrogenated Polyisobutene Caprylic/Capric/Myristic/Stearic Triglyceride Glyceryl Stearate PEG-100 Stearate Polyglyceryl-3 Methylglucose Distearate Stearyl Behenate Dimethicone Pentaerythrityl Tetraethylhexanoate Biosaccharide Gum-1 Dimethicone/Vinyl Dimethicone Crosspolymer Cetearyl Alcohol Palmitic Acid Stearic Acid Polyethylene PEG/PPG-20/15 Dimethicone Phenyl Methicone Portulaca Oleracea Extract Cocos Nucifera Oil Aloe Barbadensis Leaf Extract Butyrospermum Parkii Butter Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Sodium Hyaluronate Hydrogenated Lecithin Polyquaternium-51 Niacinamide Hydrolyzed Collagen Camellia Sinensis Leaf Extract Tocopheryl Acetate Carbomer PEG-150 Distearate Ceramide AP Glycosphingolipids Glyceryl Polymethacrylate Meadowfoam Estolide Sorbitan Isostearate Squalane Palmitoyl Pentapeptide-4 Polysorbate 20 Steareth-20 N-Hydroxysuccinimide Chrysin Palmitoyl Tripeptide-1 Palmitoyl Tetrapeptide-7 Polysorbate 60 Aleuritic Acid Yeast Extract Glycoproteins Betaine Hydrogenated Polydecene Ceramide NP Allantoin Colloidal Oatmeal Retinyl Retinoate Polylactic Acid Canola Oil Cholesteryl Nonanoate Ascorbyl Tetraisopalmitate Glycyrrhiza Glabra Root Extract Chamomilla Recutita Flower Water Curcuma Longa Root Extract Leuconostoc/Radish Root Ferment Filtrate Eruca Sativa Leaf Extract Glyceryl Citrate/Lactate/Linoleate/Oleate Ceteareth-20 Hydroxypropyl Bispalmitamide Mea Glycine Soja Sterols Melaleuca Alternifolia Leaf Oil Phytosteryl/Isostearyl/Cetyl/Stearyl/Behenyl Dimer Dilinoleate Santalum Album Oil Chamomilla Recutita Flower Oil Caprylhydroxamic Acid Cetearyl Glucoside Glucose Stearyl Stearate Tromethamine Citric Acid 1,2-Hexanediol Chlorhexidine Digluconate Potassium Sorbate Dipropylene Glycol Lavandula Angustifolia Oil Citrus Paradisi Peel Oil Cymbopogon Citratus Leaf Oil Pelargonium Graveolens Oil Citrus Aurantium Dulcis Peel Oil Pogostemon Cablin Leaf Oil Citrus Aurantium Bergamia Fruit Oil Ethylhexylglycerin Caramel Disodium EDTA Phenoxyethanol Caprylyl Glycol Limonene Linalool Water, Butylene Glycol, Cyclopentasiloxane, Glycerin, Butylene Glycol Dicaprylate/Dicaprate, Ethylhexyl Isononanoate, Hydrogenated Polyisobutene, Caprylic/Capric/Myristic/Stearic Triglyceride, Glyceryl Stearate, PEG-100 Stearate, Polyglyceryl-3 Methylglucose Distearate, Stearyl Behenate, Dimethicone, Pentaerythrityl Tetraethylhexanoate, Biosaccharide Gum-1, Dimethicone/Vinyl Dimethicone Crosspolymer, Cetearyl Alcohol, Palmitic Acid, Stearic Acid, Polyethylene, PEG/PPG-20/15 Dimethicone, Phenyl Methicone, Portulaca Oleracea Extract, Cocos Nucifera Oil, Aloe Barbadensis Leaf Extract, Butyrospermum Parkii Butter, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Sodium Hyaluronate, Hydrogenated Lecithin, Polyquaternium-51, Niacinamide, Hydrolyzed Collagen, Camellia Sinensis Leaf Extract, Tocopheryl Acetate, Carbomer These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Betaine is a humectant. Like hyaluronic acid, it helps attract and retain moisture in the skin. It’s known for being gentle and for helping the skin maintain balanced hydration. Betaine is mainly used to improve hydration and support calmer skin. It helps skin cells regulate water balance because it functions as an osmolyte. Some studies suggest betaine may support making skin tone more even. Fun fact: Betaine naturally exists in the skin and the body. In cosmetic products, it can be either plant-derived (most commonly from sugar beets) or synthetically produced for consistency and stability. Betaine is also known as trimethylglycine. Butylene Glycol (or BG) is used within cosmetic products for a few different reasons: Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients. Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness. This ingredient is also known as shea butter. It is a plant-derived extract from the nuts of the Africa shea tree and one of the most well-studied emollients. Because it has a high concentration of fatty acids (primarily oleic, stearic, and linoleic) it is able to form a protective barrier on the skin's surface. This helps seal in moisture and prevents transepidermal water loss (TEWL). In vitro research found an increase in skin hydration by 58% and a decrease in TEWL by 37.8% after 24 hours of applying this ingredient (pretty impressive for a single ingredient!). Besides hydration, shea butter also contains triterpenes that have anti-inflammatory potential. In particule, lupeol cinnamate has shown the highest anti-inflammatory activity in vivo. Shea butter also contains vitamins A and E which may contribute to antioxidant activity. While Shea Butter has an SPF rating of about 3-4, it is not a sunscreen replacement. This ingredient may not be fungal acne safe because its fatty acids fall within the C11-C24 range that the Malassezia yeast can metabolize. Carbomer is a synthetic thickening and gelling agent. It's basically the ingredient that gives a lot of serums, gels, creams, and sunscreens their smooth, non-sticky texture. Although legally permitted at very high levels, carbomers are normally used at concentrations below 1%. It also needs to be neutralized to actually thicken, and because it is a large molecule, it doesn't really penetrate the skin barrier. Allergy-wise, the risk is very low. Clinical studies show carbomers have low potential for skin irritation/sensitization even at concentrations up to 100%. A 2024 UK study patch-tested 1,302 patients and found true allergy to the parent group of carbomer to be rare with no confirmed relevant reactions. Cetearyl alcohol is a waxy mixture of two fatty alcohols: cetyl alcohol and s