Kiehl's Clearly Corrective Dark Spot Solution Versus innisfree Green Tea Seed Hyaluronic Serum

Betaine is a common humectant (a substance that promotes retention of moisture). It's known to be gentle on the skin and can help balance hydration.

Saccharide Isomerate comes from sugars found in corn. It is a skin hydrator.

Camellia Sinensis Seed Oil is the oil expressed from the seeds from the tea plant. This is the same plant we get green, black, and oolong tea from.

Xylitol is a humectant and prebiotic. It can help with dry skin.

Cetearyl Olivate is an emulsifier and texture enhancer. It is derived from the fatty acids of olive oil and Cetearyl alcohol, and is biodegradable.

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

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

Sorbitan Olivate is created from the fatty acids in olive oil and sorbitol.

We don't have a description for Lactobacillus Ferment Lysate.

Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken and improve the texture of products.

Squalane is an emollient that helps the skin hold onto moisture. It's an oily liquid that occurs naturally in certain types of fish and plant oils.

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

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

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

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.

Triethyl Citrate is a fragrance.

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

Ceratonia Siliqua Gum is extracted from the seeds of the carob tree. You might know this ingredient as Carob Gum or Locust Bean Gum. It is used to stabilize other ingredients and improve the texture of products.

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

Limonene is a fragrance that adds scent and taste to a formulation.

Camellia Sinensis Leaf Extract is derived from the leaves of the tea plant. Black tea, green tea, and oolong tea are all harvested from this plant.

Dipotassium Glycyrrhizate comes from licorice root.

Citrus Limon Peel Oil is created from the peels of the lemon. It is used to add a lemon-scent to products. Lemon peel oil also has antibacterial, antifungal, and antioxidant properties. However, it may also cause phototoxicity and sensitize skin.

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

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

Dextrin is used to thicken a product and helps bind ingredients together. It is created from starch and glycogen.

This ingredient is extracted from the seeds of the cocoa tree.

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

Sodium Citrate is the sodium salts of citric acid. In skincare, it is used to alter pH levels and acts as a preservative.

Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).

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

Ilex Paraguariensis Leaf Extract is a fragrance.

Glyceryl Oleate is a fragrance and isn't fungal acne safe.

Citral is a fragrance and used to add a lemon-like scent to products. It is both naturally found in plants and created synthetically. In plants, it is commonly occurring in lemon myrtle, lemongrass, lemon tea-tree, lemon verbena, and other citruses.

Elettaria Cardamomum Seed Oil is a fragrance and is an oil.

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.

Lecithin is a term for a group of substances found in plants, animals, and humans. They are made up of mixture of fatty acids. These fatty acids usually are a mixture of phosphoric acid's choline ester connected to stearic, oleic, and palmitic acids. Most lecithins are created from plant ingredients scuh as sunflower.

Sucrose is a natural sugar found in fruits, vegetables, and nuts. It is the main constituent of white sugar.

Lauryl Glucoside sugar- and lipid-based cleansing agent. It is created from glucose and lauryl alcohol.

Polyglyceryl-6 Laurate isn't fungal acne safe.

We don't have a description for Myristyl Glucoside.

Mentha Viridis Leaf Oil is an oil.

Citronellal is the major component of citronella oil. It is a fragrance with a distinct lemon scent. Citronellal is a known EU allergen and causes contact allergies.

Ferula Galbaniflua Resin Oil is a fragrance and is an oil.

Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.

Lactic Acid is an AHA that is derived from fermenting lactose, a carbohydrate from milk. It removes the top layer of old and dead skin cells and helps increase cell turnover.

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.

Sodium Acetylated Hyaluronate is a type of Hyaluronic Acid.