Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

maru.derm Night Repair Serum Versus Cream Co. Hyaluronic Acid & Peptide Serum

maru.derm Night Repair Serum Versus Cream Co. Hyaluronic Acid & Peptide Serum Detailed comparison of maru.derm Night Repair Serum versus Cream Co. Hyaluronic Acid & Peptide Serum. This barrier-repair serum is formulated around Niacinamide and Panthenol to stre

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maru.derm Night Repair Serum Versus Cream Co. Hyaluronic Acid & Peptide Serum Detailed comparison of maru.derm Night Repair Serum versus Cream Co. Hyaluronic Acid & Peptide Serum. This barrier-repair serum is formulated around Niacinamide and Panthenol to strengthen the skin barrier and soften the look of wrinkles. This hydrating serum is formulated around Niacinamide and Sodium Hyaluronate to hydrate skin and soften the look of wrinkles. Water Niacinamide Glycerin Buddleja Globosa Leaf Extract Panthenol Palmitoyl Tripeptide-1 Palmitoyl Tetrapeptide-7 Sodium Hyaluronate Hydrolyzed Hyaluronic Acid Hyaluronic Acid Sodium Hyaluronate Crosspolymer Hydrolyzed Glycosaminoglycans Equisetum Arvense Leaf Extract Daucus Carota Sativa Root Extract Aesculus Hippocastanum Seed Extract Hypericum Perforatum Extract Panax Ginseng Root Extract Echinacea Angustifolia Root Extract Butylene Glycol Allantoin Hydroxyethylcellulose Maltodextrin Propanediol Tetrasodium EDTA Carbomer Polysorbate 20 Benzyl Alcohol Sodium Benzoate Potassium Sorbate Lactic Acid Citric Acid Water, Niacinamide, Glycerin, Buddleja Globosa Leaf Extract, Panthenol, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Hyaluronic Acid, Sodium Hyaluronate Crosspolymer, Hydrolyzed Glycosaminoglycans, Equisetum Arvense Leaf Extract, Daucus Carota Sativa Root Extract, Aesculus Hippocastanum Seed Extract, Hypericum Perforatum Extract, Panax Ginseng Root Extract, Echinacea Angustifolia Root Extract, Butylene Glycol, Allantoin, Hydroxyethylcellulose, Maltodextrin, Propanediol, Tetrasodium EDTA, Carbomer, Polysorbate 20, Benzyl Alcohol, Sodium Benzoate, Potassium Sorbate, Lactic Acid, Citric Acid Glyceryl Acrylate/Acrylic Acid Copolymer Propylene Glycol Pvm/Ma Copolymer Phenoxyethanol Sodium PCA Sodium Hydroxide Caffeine Xanthan Gum Aloe Barbadensis Leaf Juice Benzoic Acid Water, Butylene Glycol, Glycerin, Niacinamide, Glyceryl Acrylate/Acrylic Acid Copolymer, Propylene Glycol, Pvm/Ma Copolymer, Propanediol, Hydrolyzed Glycosaminoglycans, Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Hyaluronic Acid, Sodium Hyaluronate Crosspolymer, Polysorbate 20, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Phenoxyethanol, Sodium PCA, Carbomer, Sodium Hydroxide, Caffeine, Xanthan Gum, Aloe Barbadensis Leaf Juice, Allantoin, Benzoic Acid 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. 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. 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. 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,