Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

e.l.f. cosmetics Holy Hydration! Eye Cream Versus The INKEY List Retinol Eye Cream

e.l.f. cosmetics Holy Hydration! Eye Cream Versus The INKEY List Retinol Eye Cream Detailed comparison of e.l.f. cosmetics Holy Hydration! Eye Cream versus The INKEY List Retinol Eye Cream. This anti-aging eye moisturizer is formulated around Palmitoyl Tripept

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e.l.f. cosmetics Holy Hydration! Eye Cream Versus The INKEY List Retinol Eye Cream Detailed comparison of e.l.f. cosmetics Holy Hydration! Eye Cream versus The INKEY List Retinol Eye Cream. This anti-aging eye moisturizer is formulated around Palmitoyl Tripeptide-1 and Palmitoyl Tetrapeptide-7 to soften the look of wrinkles and hydrate skin. This anti-aging eye moisturizer is formulated around Retinol and Sodium Hyaluronate to soften the look of wrinkles and refine skin texture. Water Glycerin Caprylic/Capric Triglyceride Glyceryl Stearate Citrate Jojoba Esters Diisostearyl Malate C10-18 Triglycerides Cetearyl Alcohol Silica Palmitoyl Tripeptide-1 Palmitoyl Tetrapeptide-7 Soluble Collagen Sodium Hyaluronate Tocopherol Helianthus Annuus Seed Oil Butylene Glycol 1,2-Hexanediol Potassium Cetyl Phosphate Polysorbate 20 Polysorbate 80 Isohexadecane Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Carbomer Hydroxyacetophenone Disodium EDTA Water, Glycerin, Caprylic/Capric Triglyceride, Glyceryl Stearate Citrate, Jojoba Esters, Diisostearyl Malate, C10-18 Triglycerides, Cetearyl Alcohol, Silica, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Soluble Collagen, Sodium Hyaluronate, Tocopherol, Helianthus Annuus Seed Oil, Butylene Glycol, 1,2-Hexanediol, Potassium Cetyl Phosphate, Polysorbate 20, Polysorbate 80, Isohexadecane, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Carbomer, Hydroxyacetophenone, Disodium EDTA Pentaerythrityl Distearate Shea Butter Ethyl Esters Cetearyl Olivate Phenoxyethanol Benzyl Alcohol Sorbitan Olivate Acrylates/C10-30 Alkyl Acrylate Crosspolymer Sodium Hydroxide Sodium Stearoyl Glutamate Copernicia Cerifera Cera Propanediol Glycogen Sodium Gluconate Retinol Ethylhexylglycerin Dehydroacetic Acid Citric Acid Caprylyl Glycol Disodium Cocoamphodiacetate Xanthan Gum Ethyl Ferulate Humulus Lupulus Extract Water, Caprylic/Capric Triglyceride, Glycerin, Butylene Glycol, Pentaerythrityl Distearate, Shea Butter Ethyl Esters, Cetearyl Olivate, Phenoxyethanol, Benzyl Alcohol, Sorbitan Olivate, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Sodium Hydroxide, Sodium Hyaluronate, Sodium Stearoyl Glutamate, Copernicia Cerifera Cera, Propanediol, Glycogen, Sodium Gluconate, Retinol, Polysorbate 20, Ethylhexylglycerin, Dehydroacetic Acid, Citric Acid, Helianthus Annuus Seed Oil, 1,2-Hexanediol, Caprylyl Glycol, Disodium Cocoamphodiacetate, Tocopherol, Xanthan Gum, Ethyl Ferulate, Humulus Lupulus Extract These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. 1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse. It is a: Humectant, drawing moisture into the skin Emollient, helping to soften skin Solvent, dispersing and stabilizing formulas Preservative booster, enhancing the antimicrobial activity of other preservatives 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. Caprylic/Capric Triglyceride (aka MCT Oil) is a lightweight emollient, solvent, and texture enhancer. It is considered a skin-softener by helping to prevent moisture loss. Though it behaves like an oil, it is not technically one due to its chemical composition. One perk of this ingredient is that it is very stable, resistant to oxidation, and unlikely to go rancid. In practice, that translates to a long shelf life and a consistently elegant skin feel. While there is an assumption Caprylic Triglyceride can clog pores due to it being derived from coconut oil, there is no research supporting this. Just patch test if you have concerns. Fractionated coconut oil and MCT Oil are both listed as Caprylic/Capric Triglyceride according to INCI. This is because INCI names are based on the ingredient’s final chemical composition and not its marketing name or source. This ingredient is treated as the gold standard fungal acne safe oil. Even though it is coconut derived, the problematic lauric acid is stripped out. This leaves just caprylic (C8) and capric (C10) acid. These chain lengths actually trend antifungal; a 2020 study found caprylic acid was enough to disrupt Malassezia furfur cell membrane, with a caprylic acid derivative damaging membrane structures at concentrations as low as 0.2%. 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/Gly