Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

The INKEY List Peptide Moisturizer Versus Cocokind Resurrection Polypeptide Cream

The INKEY List Peptide Moisturizer Versus Cocokind Resurrection Polypeptide Cream Detailed comparison of The INKEY List Peptide Moisturizer versus Cocokind Resurrection Polypeptide Cream. This barrier-repair moisturizer is formulated around Nicotiana Benthamia

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The INKEY List Peptide Moisturizer Versus Cocokind Resurrection Polypeptide Cream Detailed comparison of The INKEY List Peptide Moisturizer versus Cocokind Resurrection Polypeptide Cream. This barrier-repair moisturizer is formulated around Nicotiana Benthamiana Hexapeptide-40 Sh-Polypeptide-76 and Squalane to strengthen the skin barrier and soften the look of wrinkles. Water Caprylic/Capric Triglyceride Glycerin C12-15 Alkyl Benzoate Cetearyl Alcohol Glyceryl Stearate Se Betaine Butylene Glycol Phenoxyethanol Benzyl Alcohol Carbomer Butyrospermum Parkii Butter Sodium Stearoyl Glutamate Sodium Hydroxide Ethylhexylglycerin Sodium Gluconate Tocopheryl Acetate Dehydroacetic Acid Hydrogenated Lecithin Phenethyl Alcohol Acetyl Hexapeptide-37 Maltodextrin Pentapeptide-48 Water, Caprylic/Capric Triglyceride, Glycerin, C12-15 Alkyl Benzoate, Cetearyl Alcohol, Glyceryl Stearate Se, Betaine, Butylene Glycol, Phenoxyethanol, Benzyl Alcohol, Carbomer, Butyrospermum Parkii Butter, Sodium Stearoyl Glutamate, Sodium Hydroxide, Ethylhexylglycerin, Sodium Gluconate, Tocopheryl Acetate, Dehydroacetic Acid, Hydrogenated Lecithin, Phenethyl Alcohol, Acetyl Hexapeptide-37, Maltodextrin, Pentapeptide-48 Citrullus Lanatus Seed Oil Squalane Triolein Musa Sapientum Leaf Extract Cetearyl Olivate Crambe Abyssinica Seed Oil Phytosterol Esters Jojoba Esters Selaginella Lepidophylla Extract Cetyl Palmitate Sorbitan Olivate Nicotiana Benthamiana Hexapeptide-40 Sh-Polypeptide-76 Salix Alba Bark Extract Genipa Americana Fruit Extract Sorbitan Palmitate Sorbitan Oleate Xanthan Gum Citric Acid Water, Citrullus Lanatus Seed Oil, Squalane, Triolein, Musa Sapientum Leaf Extract, Glycerin, Betaine, Cetearyl Olivate, Butyrospermum Parkii Butter, Crambe Abyssinica Seed Oil Phytosterol Esters, Glyceryl Stearate Se, Jojoba Esters, Selaginella Lepidophylla Extract, Cetearyl Alcohol, Cetyl Palmitate, Sorbitan Olivate, Nicotiana Benthamiana Hexapeptide-40 Sh-Polypeptide-76, Butylene Glycol, Salix Alba Bark Extract, Genipa Americana Fruit Extract, Sorbitan Palmitate, Sorbitan Oleate, Xanthan Gum, Citric Acid These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Betaine is a humectant. Like hyaluronic acid, it helps attract and retain moisture in the skin. It’s known for being gentle and for helping the skin maintain balanced hydration. Betaine is mainly used to improve hydration and support calmer skin. It helps skin cells regulate water balance because it functions as an osmolyte. Some studies suggest betaine may support making skin tone more even. Fun fact: Betaine naturally exists in the skin and the body. In cosmetic products, it can be either plant-derived (most commonly from sugar beets) or synthetically produced for consistency and stability. Betaine is also known as trimethylglycine. 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. This ingredient is also known as shea butter. It is a plant-derived extract from the nuts of the Africa shea tree and one of the most well-studied emollients. Because it has a high concentration of fatty acids (primarily oleic, stearic, and linoleic) it is able to form a protective barrier on the skin's surface. This helps seal in moisture and prevents transepidermal water loss (TEWL). In vitro research found an increase in skin hydration by 58% and a decrease in TEWL by 37.8% after 24 hours of applying this ingredient (pretty impressive for a single ingredient!). Besides hydration, shea butter also contains triterpenes that have anti-inflammatory potential. In particule, lupeol cinnamate has shown the highest anti-inflammatory activity in vivo. Shea butter also contains vitamins A and E which may contribute to antioxidant activity. While Shea Butter has an SPF rating of about 3-4, it is not a sunscreen replacement. This ingredient may not be fungal acne safe because its fatty acids fall within the C11-C24 range that the Malassezia yeast can metabolize. Cetearyl alcohol is a waxy mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is an emollient and emulsifier. Despite having "alcohol" in its name, it has nothing to do with drying solvent alcohols; the FDA also allows "alcohol-free" products to contain fatty alcohols like this ingredient. It plays several roles in a formula: Typical use levels for this ingredient sit around 1-10% and the Cosmetic Ingredient Review Expert Panel has affirmed safety at concentrations up to 25% in leave-on products. Multiple assessments have found it to be non-irritating and non-sensitizing to most people. However, there have been some cases of allergic contact dermatitis in patients with chronically compromised skin barriers. Cetearyl alcohol has a comedogenic rating of 2 and irritancy