COSRX The Retinol 0.1 Cream Versus Perrigo Tretinoin Cream, USP 0.025%

Cetearyl alcohol is a mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is mainly used as an emulsifier. Emulsifiers help prevent the separation of oils and products. Due to its composition, it can also be used to thicken a product or help create foam.

Butyrospermum Parkii Butter is a plant lipid from the fruit of the Shea Tree. It is an effective skin hydrator and emollient.

Panthenol is a common ingredient that helps hydrate and soothe the skin. It can be found naturally in our skin and hair.

Trehalose is a disaccharide made of two glucose molecules (glucose is sugar!). Trehalose is used to help moisturize skin. It also has antioxidant properties.

Glycine Soja Oil comes from the soybean. Glycine Soja is native to eastern Asia.

Ammonium Acryloyldimethyltaurate/Vp Copolymer (let's call it AAVC for short) is a synthetically created polymer. It's used as a film-forming agent and used to thicken the consistency of products.

Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.

We don't have a description for Glyceryl Polymethacrylate.

Helianthus Annuus Seed Oil is the oil derived from the seeds of a Sunflower. Sunflower seed oil is non-fragrant. It is an emollient, meaning it helps to soften the skin.

Polyglyceryl-10 Stearate is a skin conditioner with emollient and emulsifier properties.

Hydrogenated Lecithin is created from the hydrogenation of lecithin. Hydrogenation is a chemical reaction between molecule hydrogen and another element.

This is a synthetic polymer. It helps improve the texture of products by adding thickness and gel-like feel.

Carbomer is a polymer of acrylic acid. Its main role is to create gel consistency within products.

Tromethamine is an aliphatic compound. An aliphatic compound is an organic compound with open-chained carbon atoms. It is synthetically created. Tromethamine is used to balance pH and improve texture.

Glyceryl Stearate is a mix of glycerin and stearic acid.

We don't have a description for Polysilicone-11.

Sodium Sulfite is a preservative. Preservatives help prevent mold and bacteria from growing in cosmetics.

Tocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.

Daucus Carota Sativa Root Extract comes from the root commonly known as carrot (the orange kind we eat!).

Allantoin plays a role in soothing and moisturizing the skin. Because of this, it is often added to products with strong active ingredients.

Glyceryl Caprylate comes from glycerin and caprylic acid, a fatty acid from coconut.

Oryza Sativa Bran Wax is wax from the outer layer of a rice kernel. It is a byproduct of milling rice, or the operation to produce a whole grain rice product.

Retinol is a gold-standard ingredient for anti-aging. It is a form of Vitamin A and belongs to the class of retinoids that also includes tretinoin.

We don't have a description for Tocotrienols.

Stearic Acid is a fatty acid. It is an emollient, emulsifier, and texture enhancer.

Polyglyceryl-3 Methylglucose Distearate is created from the diester of stearic acid and the condensation product of methylglucose and Polyglycerin-3.

Palmitic Acid is a fatty acid found in our skin. In cosmetics, it is usually derived from palm oil. It is a cleanser, emollient, and emulsifier.

Disodium EDTA plays a role in making products more stable by aiding other preservatives.

Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.

Adenosine is in every living organism. It is one of four components in nucleic acids that helps store our DNA.

Sorbitan Isostearate is an emulsifer and cleaning agent. It is created from isostearic acid and sorbitol.

Elaeis Guineensis Oil comes from the African Palm tree. This tree is native to Western and Southwestern Africa.

BHT is a synthetic antioxidant. As an antioxidant, it helps your body fight off free-radicals. Free-radicals are molecules that may damage your skin cells.

Beta-Carotene is a carotenoid. It is an antioxidant that converts to Vitamin A. Antioxidants help fight free-radicals. Free-radicals are molecules that may damage your skin cells, such as pollution.

Myristic Acid is a saturated fatty acid. It is naturally found in milk fat. Other sources include palm oil, coconut oil, and butter fat.

Lauric Acid is a fatty acid or lipid. About half of fatty acids in coconut oil is lauric acid.

You might know this ingredient as Ethyl Ascorbic Acid, a more stable version of ascorbic acid.

Ascorbic Acid is is pure Vitamin C. This form makes up the largest amount of vitamin C found naturally in our skin.

Glutathione is an antioxidant naturally found in our bodies. It is made up of three amino acids: glycine, cysteine, and glutamic acid.

Limnanthes Alba Seed Oil is the oil extracted from the seeds of the meadowfoam plant. This oil is non-fragrant and is an emollient. As an emollient, meadowfoam seed oil helps soften and hydrate the skin.

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

1,2-Hexanediol is a multi-tasker ingredient. It acts as a preservative to increase shelf-life and can aid other preservatives in preventing microbe growth. 1,2-Hexanediol also helps the skin retain moisture as a humectant.

Hydrolyzed Hyaluronic Acid is a form of hyaluronic acid. It is created by the hydrolysis of hyaluronic acid with a high molecular weight. Once created, Hydrolyzed Hyaluronic Acid has a low molecular weight.

Sodium Hyaluronate Crosspolymer is a type of hyaluronic acid. In fact, it is modified version of hyaluronic acid.

Hyaluronic acid is naturally found in healthy skin. It is a humectant, meaning it draws moisture to your skin.

Sodium Acetylated Hyaluronate is a type of Hyaluronic Acid.