Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

The INKEY List Caffeine Eye Cream Versus L'Oreal REVITALIFT Hyaluronic Acid Fresh Mix Mask

The INKEY List Caffeine Eye Cream Versus L'Oreal REVITALIFT Hyaluronic Acid Fresh Mix Mask Detailed comparison of The INKEY List Caffeine Eye Cream versus L'Oreal REVITALIFT Hyaluronic Acid Fresh Mix Mask. This anti-aging eye moisturizer is formulated around C

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The INKEY List Caffeine Eye Cream Versus L'Oreal REVITALIFT Hyaluronic Acid Fresh Mix Mask Detailed comparison of The INKEY List Caffeine Eye Cream versus L'Oreal REVITALIFT Hyaluronic Acid Fresh Mix Mask. This anti-aging eye moisturizer is formulated around Caffeine and Palmitoyl Tetrapeptide-7 to soften the look of wrinkles. This hydrating sheet mask is formulated around Dipeptide Diaminobutyroyl Benzylamide Diacetate and Sodium Acetylated Hyaluronate to hydrate skin and soften the look of wrinkles. 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 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 Betaine Dipeptide Diaminobutyroyl Benzylamide Diacetate Hydroxyacetophenone Secale Cereale Seed Extract Sodium Acetylated Hyaluronate Sodium Citrate Sodium Hyaluronate Ascorbyl Glucoside Algin Hydroxyethylcellulose Pentylene Glycol Water, Glycerin, Propanediol, Betaine, Citric Acid, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Hydroxyacetophenone, Secale Cereale Seed Extract, Sodium Acetylated Hyaluronate, Sodium Citrate, Sodium Hyaluronate, Ascorbyl Glucoside, Algin, Hydroxyethylcellulose, Pentylene Glycol, Xanthan Gum These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. 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 products. These low levels are unlikely to be an issue for rosacea skin and becomes a potential trigger at exfoliating concentrations (20%). Because everybody's skin is unique, we recommend a patch test if you are unsure. 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. Propanediol is an all-star ingredient. It softens, hydrates, and smooths the skin. It’s often used to: Propanediol is not likely to cause sensitivity and considered safe to use. It is derived from corn or petroleum with a clear color and no scent. 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 s