Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Neutrogena Rapid Firming™ Peptide Contour Lift Face Cream Versus Essano Collagen Boost Serum

Neutrogena Rapid Firming™ Peptide Contour Lift Face Cream Versus Essano Collagen Boost Serum Detailed comparison of Neutrogena Rapid Firming™ Peptide Contour Lift Face Cream versus Essano Collagen Boost Serum. This anti-aging moisturizer is formulated around G

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Neutrogena Rapid Firming™ Peptide Contour Lift Face Cream Versus Essano Collagen Boost Serum Detailed comparison of Neutrogena Rapid Firming™ Peptide Contour Lift Face Cream versus Essano Collagen Boost Serum. This anti-aging moisturizer is formulated around Gluconolactone and Glycolic Acid to soften the look of wrinkles and refine skin texture. This anti-aging serum is formulated around Niacinamide and Acetyl Glucosamine to soften the look of wrinkles and strengthen the skin barrier. Water Isohexadecane Caprylic/Capric Triglyceride Gluconolactone Glycerin Propanediol Ammonium Acryloyldimethyltaurate/Vp Copolymer Hydrogenated Palm Kernel Glycerides Glycolic Acid Glyceryl Stearate Se Glyceryl Dilaurate Acetyl Dipeptide-31 Amide Dimethicone Acetyl Tyrosinamide Butyrospermum Parkii Butter Cetearyl Alcohol Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer C12-15 Alkyl Benzoate Stearalkonium Hectorite PEG-100 Stearate Steareth-10 Biosaccharide Gum-1 Methyl Decenol Hydrogenated Palm Glycerides Isocetyl Stearoyl Stearate Tocopheryl Acetate Dimethicone/Vinyl Dimethicone Crosspolymer Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Squalane Isostearic Acid Propylene Carbonate Glyceryl Stearate Sclerotium Gum Caprylyl Glycol PEG-40 Stearate Sodium Hydroxide Polysorbate 60 Isopropyl Myristate Ceteareth-20 Isobutyl Methyl Tetrahydropyranol Sorbitan Isostearate Isoceteth-10 Silica Disodium EDTA Methyldihydrojasmonate Ethylene Brassylate Phenoxyethanol Chlorphenesin Water, Isohexadecane, Caprylic/Capric Triglyceride, Gluconolactone, Glycerin, Propanediol, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Hydrogenated Palm Kernel Glycerides, Glycolic Acid, Glyceryl Stearate Se, Glyceryl Dilaurate, Acetyl Dipeptide-31 Amide, Dimethicone, Acetyl Tyrosinamide, Butyrospermum Parkii Butter, Cetearyl Alcohol, Dimethicone/Bis-Isobutyl PPG-20 Crosspolymer, C12-15 Alkyl Benzoate, Stearalkonium Hectorite, PEG-100 Stearate, Steareth-10, Biosaccharide Gum-1, Methyl Decenol, Hydrogenated Palm Glycerides, Isocetyl Stearoyl Stearate, Tocopheryl Acetate, Dimethicone/Vinyl Dimethicone Crosspolymer, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Squalane, Isostearic Acid, Propylene Carbonate, Glyceryl Stearate, Sclerotium Gum, Caprylyl Glycol, PEG-40 Stearate, Sodium Hydroxide, Polysorbate 60, Isopropyl Myristate, Ceteareth-20, Isobutyl Methyl Tetrahydropyranol, Sorbitan Isostearate, Isoceteth-10, Silica, Disodium EDTA, Methyldihydrojasmonate, Ethylene Brassylate, Phenoxyethanol, Chlorphenesin Maris Aqua Niacinamide Helianthus Annuus Seed Oil Coco-Caprylate Lysolecithin Xanthan Gum Pullulan Acetyl Glucosamine Silybum Marianum Ethyl Ester Simmondsia Chinensis Seed Oil Rosa Canina Seed Oil Dehydroacetic Acid Benzyl Alcohol Sodium Hyaluronate Bisabolol Parfum Maltodextrin Rubus Fruticosus Leaf Extract Panthenol Tetrasodium Glutamate Diacetate Potassium Sorbate Aloe Barbadensis Leaf Juice Lactic Acid Pisum Sativum Extract Cyclodextrin Maris Aqua, Niacinamide, Glycerin, Helianthus Annuus Seed Oil, Coco-Caprylate, Lysolecithin, Sclerotium Gum, Xanthan Gum, Pullulan, Acetyl Glucosamine, Silybum Marianum Ethyl Ester, Simmondsia Chinensis Seed Oil, Rosa Canina Seed Oil, Dehydroacetic Acid, Benzyl Alcohol, Sodium Hyaluronate, Bisabolol, Parfum, Maltodextrin, Rubus Fruticosus Leaf Extract, Panthenol, Tetrasodium Glutamate Diacetate, Tocopheryl Acetate, Potassium Sorbate, Aloe Barbadensis Leaf Juice, Lactic Acid, Pisum Sativum Extract, Cyclodextr 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. Sclerotium Gum is a natural sugar-based fiber made by fermenting a fungus called Sclerotium rolfsii. It's often used as the plant-friendly alternative for synthetic thickeners like carbomer. In skincare, it works as a thickener, gel former, and stabilizer that keeps heavy ingredients suspended so a product does not separate. It is non-ionic and forms a triple helix in solution. This is just a fancy way of saying it builds a smooth, cushiony, and non-sticky gel that feels silkier than many other gums. Another perk of this ingredient is that it is very sturdy and holds up across a wide pH range (~2-11). It's also good at resisting heat and hydrolysis. Since it holds water at the skin surface, it can provide some light hydration as well. Typical use levels are around 0.25-2%; formulators usually use 0.2-0.5% to thicken lotions and up to 2% for a firmer gel base. This ingredient has been found safe in cosmetics with no meaningful evidence of skin sensitization. Tocopheryl Acetate is a stable, shelf-friendly form of vitamin E. Formulators love it because plain vitamin E oxidizes quickly once it hits air. This acetate version stays stable and resists going off, helping to extend a product's shelf life. It's actually inactive on its own and works like a slow-release "storage" form; the enzymes in your skin called esterases gradually convert it into active vitamin E over time. One in vivo study showed 5% of the acetate in the living layer of the epidermis converted to vitamin E after 5 days of application. This study also found the skin gained protection against UV damage even though the conversion was slow and small. Once converted, vitamin E acts as a skin's main fat-soluble antioxidant that fights free radicals to protect skin from damage. Topical vitamin E generally boosts the skin's photoprotection, and it reduced UV-damage in animal models. This ingredient has some brightening potential but it's more of a preve