Tula Skincare Triple-Hydra Complex Day & Night Serum Versus Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum

Tula Skincare Triple-Hydra Complex Day & Night Serum Versus Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum Detailed comparison of Tula Skincare Triple-Hydra Complex Day & Night Serum versus Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum. This hydrating serum is formulated around Sodium Hyaluronate and Hydrolyzed Hyaluronic Acid to hydrate skin and strengthen the skin barrier. This hydrating serum is formulated around Sodium Hyaluronate to hydrate skin and strengthen the skin barrier. No concerns Water Dipentaerythrityl Hexacaprylate/Hexacaprate Pentaerythrityl Tetraisostearate Isononyl Isononanoate Propanediol Glycerin Caprylic/Capric Triglyceride Sodium Hyaluronate Hydrolyzed Hyaluronic Acid Sodium Hyaluronate Crosspolymer Hydrolyzed Sodium Hyaluronate Sodium Acetylated Hyaluronate Sodium Polyglutamate Squalane Collagen Lactococcus Ferment Lysate Lactobacillus Ferment Lactobacillus Beta Vulgaris Root Extract Curcuma Longa Root Extract Pyrus Malus Fruit Extract Citrullus Lanatus Fruit Extract Vaccinium Angustifolium Fruit Extract Lens Esculenta Fruit Extract Hydrolyzed Rice Protein Inulin Alpha-Glucan Oligosaccharide Lactic Acid Sodium PCA Hydrogenated Poly(C6-20 Olefin) Hydroxyacetophenone Leuconostoc/Radish Root Ferment Filtrate Polymnia Sonchifolia Root Juice Rhus Verniciflua Peel Wax Caprylyl Glycol Sodium Lactate Carrageenan Pentylene Glycol Maltodextrin Butylene Glycol Sodium Chloride Ethylhexylglycerin 1,2-Hexanediol Acrylates/C10-30 Alkyl Acrylate Crosspolymer Tromethamine Hdi/Trimethylol Hexyllactone Crosspolymer Sodium Benzoate Potassium Sorbate Water, Dipentaerythrityl Hexacaprylate/Hexacaprate, Pentaerythrityl Tetraisostearate, Isononyl Isononanoate, Propanediol, Glycerin, Caprylic/Capric Triglyceride, Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate Crosspolymer, Hydrolyzed Sodium Hyaluronate, Sodium Acetylated Hyaluronate, Sodium Polyglutamate, Squalane, Collagen, Lactococcus Ferment Lysate, Lactobacillus Ferment, Lactobacillus, Beta Vulgaris Root Extract, Curcuma Longa Root Extract, Pyrus Malus Fruit Extract, Citrullus Lanatus Fruit Extract, Vaccinium Angustifolium Fruit Extract, Lens Esculenta Fruit Extract, Hydrolyzed Rice Protein, Inulin, Alpha-Glucan Oligosaccharide, Lactic Acid, Sodium PCA, Hydrogenated Poly(C6-20 Olefin), Hydroxyacetophenone, Leuconostoc/Radish Root Ferment Filtrate, Polymnia Sonchifolia Root Juice, Rhus Verniciflua Peel Wax, Caprylyl Glycol, Sodium Lactate, Carrageenan, Pentylene Glycol, Maltodextrin, Butylene Glycol, Sodium Chloride, Ethylhexylglycerin, 1,2-Hexanediol, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Tromethamine, Hdi/Trimethylol Hexyllactone Crosspolymer, Sodium Benzoate, Potassium Sorbate Phenoxyethanol Chlorphenesin Tetrasodium Glutamate Diacetate Citric Acid Water, Glycerin, Sodium Hyaluronate, Phenoxyethanol, Chlorphenesin, Tetrasodium Glutamate Diacetate, Citric Acid These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. 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. Sodium Hyaluronate is the salt form of hyaluronic acid. It is a long sugar chain that is naturally found in your skin, joints, and connective tissue that maintains hydration and elasticity. In skincare, it works as a humectant. It pulls water from the environment and deeper layers of skin and binds it to the surface. Interestingly, the size of the molecule affects its behavior: Some clinical evidence links low molecular weight versions to improved wrinkle depth, elasticity, anti-inflammatory effects, and barrier repair. Many serums use a blend of both weights so you can get surface hydration plus longer-lasting and deeper effects. You'll typically see concentrations between 0.1-2% for this ingredient. Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product. So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation. You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!