Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Ziaja Med Atopic Face Cream Soothing & Moisturising Versus First Aid Beauty Ultra Repair Face Moisturizer

Ziaja Med Atopic Face Cream Soothing & Moisturising Versus First Aid Beauty Ultra Repair Face Moisturizer Detailed comparison of Ziaja Med Atopic Face Cream Soothing & Moisturising versus First Aid Beauty Ultra Repair Face Moisturizer. This barrier-repair mois

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Ziaja Med Atopic Face Cream Soothing & Moisturising Versus First Aid Beauty Ultra Repair Face Moisturizer Detailed comparison of Ziaja Med Atopic Face Cream Soothing & Moisturising versus First Aid Beauty Ultra Repair Face Moisturizer. This barrier-repair moisturizer is formulated around Urea and Ceramide NP to strengthen the skin barrier 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 Canola Oil Caprylic/Capric Triglyceride Urea Polyglyceryl-3 Methylglucose Distearate Cetyl Ricinoleate Hydrogenated Polydecene Glycerin Dimethicone Ceramide NP Ceramide AP Ceramide EOP Phytosphingosine Cholesterol Sodium Lauroyl Lactylate Carbomer Xanthan Gum Tocopheryl Acetate Allantoin Maltooligosyl Glucoside Hydrogenated Starch Hydrolysate Glyceryl Caprylate Phenoxyethanol DMDM Hydantoin Chlorphenesin Sodium Hydroxide Water, Canola Oil, Caprylic/Capric Triglyceride, Urea, Polyglyceryl-3 Methylglucose Distearate, Cetyl Ricinoleate, Hydrogenated Polydecene, Glycerin, Dimethicone, Ceramide NP, Ceramide AP, Ceramide EOP, Phytosphingosine, Cholesterol, Sodium Lauroyl Lactylate, Carbomer, Xanthan Gum, Tocopheryl Acetate, Allantoin, Maltooligosyl Glucoside, Hydrogenated Starch Hydrolysate, Glyceryl Caprylate, Phenoxyethanol, DMDM Hydantoin, Chlorphenesin, Sodium Hydroxide Glyceryl Stearate Se Cetyl Alcohol Avena Sativa Kernel Flour Squalane Caprylyl Glycol Butyrospermum Parkii Butter Persea Gratissima Oil N-Butyl Alcohol Chrysanthemum Parthenium Extract Camellia Sinensis Leaf Extract Glycyrrhiza Glabra Root Extract 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. Allantoin is a soothing ingredient known for its protective and moisturizing properties; it's basically a quiet workhorse ingredient you can find in a huge range of cosmetics. Though it can be derived from the comfrey plant, allantoin is produced synthetically for cosmetic products to ensure purity. Research shows it can encourage your skin cells to turn over and renew by stimulating keratinocyte and fibroblast proliferation. It also has mild keratolytic properties to help loosen and shed dead skin cells without being harsh. Studies also suggest allantoin can help calm inflammation by dialing down some of the chemical signals your skin sends out when it is irritated. This ingredient is typically used in the 0.1-0.5% range, and the FDA recognizes it as a skin protectant in OTC products up to 2%. Overall, allantoin is a wonderful addition to most routines; it is stable across a wide pH range (~4-8), works well with other ingredients, and is considered non-sensitizing/non-irritating. Fun fact: Allantoin is naturally occurring in comfrey root, beets, chamomile, and wheat sprouts. Our bodies even produce it as a byproduct of uric acid metabolism. 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%. 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 bar