Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Mary Kay Clinical Solutions HA + Ceramide Hydrator Versus Dr. Zenovia Skincare Hyaluronic Acid + Peptide Serum

Mary Kay Clinical Solutions HA + Ceramide Hydrator Versus Dr. Zenovia Skincare Hyaluronic Acid + Peptide Serum Detailed comparison of Mary Kay Clinical Solutions HA + Ceramide Hydrator versus Dr. Zenovia Skincare Hyaluronic Acid + Peptide Serum. This hydrating

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Mary Kay Clinical Solutions HA + Ceramide Hydrator Versus Dr. Zenovia Skincare Hyaluronic Acid + Peptide Serum Detailed comparison of Mary Kay Clinical Solutions HA + Ceramide Hydrator versus Dr. Zenovia Skincare Hyaluronic Acid + Peptide Serum. This hydrating serum is formulated around Sodium Hyaluronate and Hydrolyzed Sodium Hyaluronate to hydrate skin and strengthen the skin barrier. This hydrating serum is formulated around Sodium Hyaluronate and Bakuchiol to hydrate skin and soften the look of wrinkles. Water Glycerin Pentylene Glycol Betaine Sodium Hyaluronate Hydrolyzed Sodium Hyaluronate Ceramide NP Verbena Officinalis Extract Tocopherol Hydrogenated Lecithin Polyglyceryl-10 Stearate Sucrose Stearate Xanthan Gum Ethylhexylglycerin Disodium EDTA Phenoxyethanol Water, Glycerin, Pentylene Glycol, Betaine, Sodium Hyaluronate, Hydrolyzed Sodium Hyaluronate, Ceramide NP, Verbena Officinalis Extract, Tocopherol, Hydrogenated Lecithin, Polyglyceryl-10 Stearate, Sucrose Stearate, Xanthan Gum, Ethylhexylglycerin, Disodium EDTA, Phenoxyethanol Sodium PCA Resveratrol Bakuchiol Camellia Sinensis Extract Genistein Punica Granatum Sterols Cucumis Sativus Fruit Extract Aloe Barbadensis Leaf Juice Palmitoyl Tripeptide-28 Ergothioneine Glutathione Zinc PCA Copper PCA Tocopheryl Acetate Water, Glycerin, Sodium PCA, Sodium Hyaluronate, Hydrolyzed Sodium Hyaluronate, Resveratrol, Bakuchiol, Camellia Sinensis Extract, Genistein, Punica Granatum Sterols, Cucumis Sativus Fruit Extract, Aloe Barbadensis Leaf Juice, Palmitoyl Tripeptide-28, Ergothioneine, Glutathione, Zinc PCA, Copper PCA, Tocopheryl Acetate, Phenoxyethanol, Disodium EDTA These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Disodium EDTA is a chelating agent. It grabs onto and deactivates metal ions that sneak into your products from water, packaging, or air. This ingredient mainly works behind the scenes and helps with: On top of that, this ingredient can counteract the effects of hard water by binding to the minerals in it. One thing worth knowing is that Disodium EDTA has been shown to be a mild penetration enhancer. It can help other ingredients absorb into skin more effectively which can be a double-edged sword (great for actives, but can also make the active too strong if you have sensitive skin). Clinical patch testing showed no significant skin irritation at typical use concentrations and minimal dermal absorption. You'll most likely see this ingredient near the end of an ingredient list. It's typically found in concentrations less than 1%. 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. 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 chemical reactions the microbe needs to make energy so it can no longer survive. Another perk of this ingredient is that it stays functional across a wide pH