Peptide Skincare & BeautySkin science and ingredient guides

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Naturium Multi-Peptide Eye Cream Versus The INKEY List Caffeine Eye Cream

Naturium Multi-Peptide Eye Cream Versus The INKEY List Caffeine Eye Cream Detailed comparison of Naturium Multi-Peptide Eye Cream versus The INKEY List Caffeine Eye Cream. This anti-aging eye moisturizer is formulated around Acetyl Hexapeptide-8 and Palmitoyl

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Naturium Multi-Peptide Eye Cream Versus The INKEY List Caffeine Eye Cream Detailed comparison of Naturium Multi-Peptide Eye Cream versus The INKEY List Caffeine Eye Cream. This anti-aging eye moisturizer is formulated around Acetyl Hexapeptide-8 and Palmitoyl Tetrapeptide-7 to soften the look of wrinkles. This anti-aging eye moisturizer is formulated around Caffeine and Palmitoyl Tetrapeptide-7 to soften the look of wrinkles. Water Glycerin Simmondsia Chinensis Seed Oil Stearic Acid Squalane Glyceryl Stearate Cetyl Alcohol Stearyl Alcohol Palmitic Acid Acetyl Hexapeptide-8 Palmitoyl Tetrapeptide-7 Palmitoyl Tripeptide-1 Palmitoyl Tripeptide-5 Dunaliella Salina Extract Panthenol Sodium Hyaluronate Hydroxyacetophenone Sorbitan Oleate Aluminum Starch Octenylsuccinate Acrylamide/Sodium Acryloyldimethyltaurate Copolymer Phenoxyethanol Butylene Glycol 1,2-Hexanediol Boron Nitride Caprylyl Glycol Tocopheryl Acetate Isohexadecane Chlorphenesin Acrylates/C10-30 Alkyl Acrylate Crosspolymer Sodium Hydroxide Polysorbate 80 Carbomer Sodium Lactate Polysorbate 20 Citric Acid Ethylhexylglycerin Pantolactone Sodium Benzoate Potassium Sorbate Water, Glycerin, Simmondsia Chinensis Seed Oil, Stearic Acid, Squalane, Glyceryl Stearate, Cetyl Alcohol, Stearyl Alcohol, Palmitic Acid, Acetyl Hexapeptide-8, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Palmitoyl Tripeptide-5, Dunaliella Salina Extract, Panthenol, Sodium Hyaluronate, Hydroxyacetophenone, Sorbitan Oleate, Aluminum Starch Octenylsuccinate, Acrylamide/Sodium Acryloyldimethyltaurate Copolymer, Phenoxyethanol, Butylene Glycol, 1,2-Hexanediol, Boron Nitride, Caprylyl Glycol, Tocopheryl Acetate, Isohexadecane, Chlorphenesin, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Sodium Hydroxide, Polysorbate 80, Carbomer, Sodium Lactate, Polysorbate 20, Citric Acid, Ethylhexylglycerin, Pantolactone, Sodium Benzoate, Potassium Sorbate Dicaprylyl Carbonate Propanediol Polyglyceryl-6 Distearate Glyceryl Behenate Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Jojoba Esters Albizia Julibrissin Bark Extract Caffeine Polyglyceryl-3 Beeswax Phospholipids Xanthan Gum Glycine Soja Oil Polysorbate 60 Sodium Phytate Glycolipids Sorbitan Isostearate Glycine Soja Sterols Leuconostoc/Radish Root Ferment Filtrate Hyaluronic Acid Tocopherol Darutoside Water, Glycerin, Dicaprylyl Carbonate, Propanediol, Polyglyceryl-6 Distearate, Cetyl Alcohol, Glyceryl Behenate, Phenoxyethanol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Jojoba Esters, Albizia Julibrissin Bark Extract, Squalane, Caffeine, Polyglyceryl-3 Beeswax, Phospholipids, Ethylhexylglycerin, Xanthan Gum, Glycine Soja Oil, Polysorbate 60, Sodium Phytate, Glycolipids, Sorbitan Isostearate, Butylene Glycol, Citric Acid, Glycine Soja Sterols, Leuconostoc/Radish Root Ferment Filtrate, Hyaluronic Acid, Sodium Benzoate, Tocopherol, Carbomer, Darutoside, Sodium Lactate, Polysorbate 20, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1 These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. 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. Cetyl Alcohol is a fatty alcohol. Fatty Alcohols are most often used as an emollient or to thicken a product. Its main roles are: Though it has "alcohol" in the name, it is not related to denatured alcohol or ethyl alcohol. The FDA allows products labeled "alcohol-free" to have fatty alcohols. This ingredient may not be fungal acne safe. It is a primary fatty alcohol with a chain length above 12 carbons. A study from 2019 show Malassezia can feed on fatty alcohols in this range, so it may trigger fungal acne in those prone to it. Citric Acid is an alpha hydroxy acid (AHA) naturally found in citrus fruits like oranges, lemons, and limes. Like other AHAs, citric acid can exfoliate skin by breaking down the bonds that hold dead skin cells together. This helps reveal smoother and brighter skin underneath. However, this exfoliating effect only happens at high concentrations (20%) which can be hard to find in cosmetic products. Due to this, citric acid is usually included in small amounts as a pH adjuster. This helps keep products slightly more acidic and compatible with skin's natural pH. In skincare formulas, citric acid can: While it can provide some skin benefits, research shows lactic acid and glycolic acid are generally more effective and less irritating exfoliants. Most citric acid used in skincare today is made by fermenting sugars (usually from molasses). This synthetic version is identical to the natural citrus form but easier to stabilize and use in formulations. Rosacea skin has a lower threshold for acids generally, with 62.5% of rosacea subjects in one study reacting to lactic acid in a sting test. This is why we mark citric acid as a potential rosacea trigger. However, this ingredient shows up as a pH adjuster or chelator at roughly 0.1-1% in many pro