Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Kiehl's Skin Rescuer Versus Estée Lauder Resilience Multi-Effect Night Tri-Peptide Face And Neck Creme

Kiehl's Skin Rescuer Versus Estée Lauder Resilience Multi-Effect Night Tri-Peptide Face And Neck Creme Detailed comparison of Kiehl's Skin Rescuer versus Estée Lauder Resilience Multi-Effect Night Tri-Peptide Face And Neck Creme. This calming moisturizer is fo

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Kiehl's Skin Rescuer Versus Estée Lauder Resilience Multi-Effect Night Tri-Peptide Face And Neck Creme Detailed comparison of Kiehl's Skin Rescuer versus Estée Lauder Resilience Multi-Effect Night Tri-Peptide Face And Neck Creme. This calming moisturizer is formulated around Squalane and Centella Asiatica Extract to calm redness and strengthen the skin barrier. This anti-aging night moisturizer is formulated around Acetyl Hexapeptide-8 to soften the look of wrinkles. Water Glycerin Squalane Propanediol Undecane Caprylic/Capric Triglyceride Butyrospermum Parkii Butter Tridecane PEG-100 Stearate Glyceryl Stearate PEG-20 Stearate Mannose Lauroyl Lysine Cetyl Alcohol Propylene Glycol Phenoxyethanol Ammonium Polyacryloyldimethyl Taurate Triethanolamine Carbomer Tocopherol P-Anisic Acid Ectoin Centella Asiatica Extract Xanthan Gum Ceteareth-25 Acetyl Dipeptide-1 Cetyl Ester Rosa Gallica Flower Extract Hydroxypalmitoyl Sphinganine Ceramide NP Behenic Acid Cholesterol Ceramide Ns Chamomilla Recutita Extract Ceramide AP Ceramide EOP Ceramide Eos Caprooyl Phytosphingosine Caprooyl Sphingosine Citric Acid Sodium Hydroxide Water, Glycerin, Squalane, Propanediol, Undecane, Caprylic/Capric Triglyceride, Butyrospermum Parkii Butter, Tridecane, PEG-100 Stearate, Glyceryl Stearate, PEG-20 Stearate, Mannose, Lauroyl Lysine, Cetyl Alcohol, Propylene Glycol, Phenoxyethanol, Ammonium Polyacryloyldimethyl Taurate, Triethanolamine, Carbomer, Tocopherol, P-Anisic Acid, Ectoin, Centella Asiatica Extract, Xanthan Gum, Ceteareth-25, Acetyl Dipeptide-1 Cetyl Ester, Rosa Gallica Flower Extract, Hydroxypalmitoyl Sphinganine, Ceramide NP, Behenic Acid, Cholesterol, Ceramide Ns, Chamomilla Recutita Extract, Ceramide AP, Ceramide EOP, Ceramide Eos, Caprooyl Phytosphingosine, Caprooyl Sphingosine, Citric Acid, Sodium Hydroxide Caprylic/Capric/Myristic/Stearic Triglyceride Petrolatum Hexyldecyl Stearate Butylene Glycol Dimethicone Glycereth-26 Cetearyl Alcohol Narcissus Tazetta Bulb Extract Cucumis Sativus Fruit Extract Mimosa Tenuiflora Bark Extract Hordeum Vulgare Extract Cucumis Melo Fruit Extract Persea Gratissima Oil Whey Protein Caffeine Thermus Thermophillus Ferment Algae Extract Laminaria Digitata Extract Artemia Extract Acetyl Hexapeptide-8 Polygonum Cuspidatum Root Extract Ergothioneine Trifluoroacetyl Tripeptide-2 Trehalose Sorbitol Decarboxy Carnosine Hcl Isohexadecane Acetyl Glucosamine Myristyl Myristate Cetearyl Glucoside Tetradecyl Aminobutyroylvalylaminobutyric Urea Trifluoroacetate Propylene Glycol Dicaprylate Aminopropyl Ascorbyl Phosphate Caprylyl Glycol Acrylates/C10-30 Alkyl Acrylate Crosspolymer Tocopheryl Acetate Linoleic Acid Polysorbate 80 Faex Extract Propylene Glycol Dicaprate Zinc PCA Helianthus Annuus Seedcake Hexylene Glycol Acrylamide/Sodium Acryloyldimethyltaurate Copolymer Sodium Hyaluronate Myristyl Alcohol Tromethamine Stearic Acid Potassium Sulfate Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate Maltodextrin Aluminum Hydroxide Parfum Potassium Sorbate Dextran Disodium EDTA BHT CI 42090 CI 17200 CI 77891 Water, Caprylic/Capric/Myristic/Stearic Triglyceride, Petrolatum, Hexyldecyl Stearate, Butylene Glycol, Dimethicone, Glycereth-26, PEG-100 Stearate, Cetearyl Alcohol, Glyceryl Stearate, Propanediol, Narcissus Tazetta Bulb Extract, Cucumis Sativus Fruit Extract, Mimosa Tenuiflora Bark Extract, Hordeum Vulgare Extract, Cucumis Melo Fruit Extract, Persea Gratissima Oil, Whey Protein, Caffeine, Thermus Th These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. 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%. Cholesterol is a lipid that is naturally found in human skin and is one of the three key components of your skin barrier. In skincare, it is an emollient and barrier-repairing ingredient. It works by fitting directly into the lipid layers of skin to help restore structure and reduce transepidermal water loss (TEWL). This is a great ingredient for dry, compromised, or aging skin; our skin starts to produce less cholesterol with age. Research shows cholesterol works best in combination with ceramides and fatty acids, the other two major components in your skin barrier. Cholesterol is also a well-establish penetration enhancer and can help other actives absorb more effectively. Cosmetic-grade cholesterol is usually derived from lanolin but plant and synthetic options also exist. We recommend reaching out to the brand if you have questions about their source of cholesterol. 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