Principia Serum Facial AH-2 Versus Nø Cosmetics Hyperdration 4D Hyaluron Serum

Principia Serum Facial AH-2 Versus Nø Cosmetics Hyperdration 4D Hyaluron Serum Detailed comparison of Principia Serum Facial AH-2 versus Nø Cosmetics Hyperdration 4D Hyaluron Serum. This hydrating serum is formulated around Sodium Hyaluronate Crosspolymer and Sodium Hyaluronate to hydrate skin and strengthen the skin barrier. This hydrating serum is formulated around Ectoin and Sodium Hyaluronate Crosspolymer to hydrate skin and strengthen the skin barrier. Water Sodium Hyaluronate Crosspolymer Pentylene Glycol Sodium Hyaluronate Sodium Acetylated Hyaluronate Hydrolyzed Sodium Hyaluronate Ethylhexylglycerin Disodium EDTA Glycerin Sodium Hydroxide Phenoxyethanol Caprylyl Glycol Panthenol Water, Sodium Hyaluronate Crosspolymer, Pentylene Glycol, Sodium Hyaluronate, Sodium Acetylated Hyaluronate, Hydrolyzed Sodium Hyaluronate, Ethylhexylglycerin, Disodium EDTA, Glycerin, Sodium Hydroxide, Phenoxyethanol, Caprylyl Glycol, Panthenol Diglycerin Ectoin Sodium Polyglutamate Acacia Senegal Gum Xanthan Gum Citric Acid Water, Glycerin, Diglycerin, Ectoin, Pentylene Glycol, Sodium Hyaluronate Crosspolymer, Sodium Polyglutamate, Sodium Acetylated Hyaluronate, Hydrolyzed Sodium Hyaluronate, Acacia Senegal Gum, Xanthan Gum, Phenoxyethanol, Ethylhexylglycerin, Citric Acid These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. 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. This ingredient is created by putting sodium hyaluronate through hydrolysis. You might know this as 'mini' or 'ultra low-molecular weight' hyaluronic acid. The small molecule size means it is able to travel deeper in the skin. According to studies, low molecular-weight hyaluronic acid can: One study from 2011 found ultra-low weight HA to show pro-inflammatory properties. Another study from 2022 found it to downregulate UV-B induced inflammation. Hydrolysis is a process of changing a molecule using water or enzymes. This ingredient is water-soluble. Pentylene Glycol (1,2-pentanediol) is a multitasking little diol with three main roles in a formula: Research on alkanediols (the family pentylene glycol belongs to) show they work by disrupting microbial cell membranes. This disruption helps the primary preservative system in a product work more effectively at lower doses. On the safety side, the Cosmetic Ingredient Review Expert Panel has concluded this ingredient to be safe as used in current cosmetic practices + concentrations. Typical use levels in a formula run about 1-5%. 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, and mold while only having a weak effect on your skin's natural microbiome. On a cellular level, it disrupts the cell membranes of microbes by poking holes that make the cell leak. This shuts down the chemica